The extreme heat baking Europe this week is the worst ever recorded, scientists say. The UK broke its hottest-June record on consecutive days, Spain logged its two hottest June days on record, and Switzerland set a new June high. A new attribution analysis concludes the human-driven climate crisis is 'unequivocally to blame.' Such heat sharply raises the risk of dehydration, heatstroke and wildfire — a danger for hikers and outdoor activity across Europe's mountain regions.
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The latest hiking news — extreme weather, trail closures, regulations, and mountain events worldwide, summarized from verified sources.
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Indonesia's meteorology agency BMKG issued an early-warning forecast for 27–28 June 2026: moderate-to-heavy rain, at times with strong winds, is likely across more than a dozen provinces including Aceh, North Sumatra, Banten, West Java, East Java, West Nusa Tenggara, West Kalimantan and Papua. Authorities warn of flooding, river overflow and landslides — a real hazard for hikers and mountain-area activity. The Papua Highlands are under the higher 'Siaga' alert for very heavy rain.
Indonesia's PVMBG reported a significant uptick in magmatic activity at Anak Krakatau. Since June 1, 2026, Sentinel satellites detected SO₂ emissions and thermal anomalies; fire spots in the crater were observed from June 10; and June 18–19 saw a seismic surge exceeding 50 events per day. Latest seismic data recorded 41 emission earthquakes, 21 low-frequency earthquakes, 47 hybrid earthquakes, and 1 distant tectonic earthquake. PVMBG maintains Level II (Waspada) alert and prohibits anyone from entering a 2-km exclusion zone around the crater. Coastal communities in Banten and Lampung, including fishermen and tourists, are urged to remain vigilant.
Mount Semeru on the Lumajang–Malang border, East Java, erupted on Friday morning (26 June 2026) at 07:21 WIB, accompanied by a pyroclastic surge (awan panas guguran) travelling 4.5 km toward Besuk Kobokan. The ash column reached approximately 1,000 m above the summit (~4,676 m asl), white to grey with thick intensity drifting north-northwest. Seismographs recorded a maximum amplitude of 22 mm over approximately 5 minutes 33 seconds. PVMBG warned residents to avoid all activity along the southeastern Besuk Kobokan drainage within 13 km of the summit and within 500 m of riverbanks, as pyroclastic flow expansion and lahars could reach up to 17 km from the summit. The national park authority (BB TNBTS) restricted hiking access to Ranu Kumbolo only — the summit trail remains closed. Alert status remains Level III (Siaga).
A 17-year-old teenager with initials MR from Waymuli Induk Village, Rajabasa, South Lampung, went missing while visiting Air Terjun Sembilan Putri (Nine Maidens Waterfall) at the foot of Mount Rajabasa (1,281 m asl) with friends. He suddenly ran into the forest without clear reason and became separated from the group. A 53-member Damkarmat (Fire and Rescue) team from South Lampung District launched a search operation on Thursday evening (25 June 2026) and located the teenager at 00:10 WIB on June 26, approximately 400 metres from his last known position — stranded 15 metres above a waterfall cliff in hypothermic condition. Vertical rope rescue techniques were used for the evacuation; the victim was safely rescued.
Balai Besar Taman Nasional Gunung Gede Pangrango (TNGGP) has officially closed all hiking trails and tourist areas for a full week, from July 23 to 29, 2026. The closure supports the Jakarta Open Trail Run (JOTR) and South East Asia Trail Running Confederation (SEATRC) series, an international trail-running championship using TNGGP routes as the race venue. During the closure, trails are exclusively open to registered race participants. TNGGP warned of strict penalties — including being blacklisted from all national parks across Indonesia — for unauthorised hikers who enter during this period.
Indonesia's Lewotobi Laki-Laki volcano in East Flores, NTT, erupted five times on Friday 26 June morning. The first eruption at 05:43 WITA sent a dense grey ash column 1,200 m above the summit toward the north-northeast, recorded at amplitude 47.3 mm for about one minute. Four further eruptions during 06:00–12:00 WITA produced columns of 300–1,000 m. PVMBG maintained Level III (Alert) and advised residents and visitors to stay outside a 5-km exclusion zone.
The 'Pocket Fire' burning about 7 miles (11 km) north of Sedona, Arizona, USA — which started on 19 June 2026 — has grown to 1,187 acres (about 480 hectares) at 0% containment with 927 personnel assigned, as of 25 June 2026. Coconino National Forest has closed several hiking trails, campgrounds and day-use sites in Oak Creek Canyon; State Route 89A is closed from Sedona to Ft. Tuthill except for residents; and Oak Creek Canyon's evacuation status was downgraded to 'SET'. Officials warned of three days of extreme fire weather under a Red Flag Warning.
A 15-year-old student with initials ANK from Cibiru, Bandung, was lost for two days while solo hiking in the Lembah Tengkorak (Skull Valley) tourism area in Cipanjalu Village, Cilengkrang District, Bandung Regency (on the slopes of Gunung Manglayang). He set out on Tuesday 23 June 2026 at about 07:30 WIB and was last seen around 12:00 at the site. A 74-member combined SAR team was deployed. He was eventually found alive by a farmer named Hanli in Sukasari Village, Cisalak District, Subang Regency — roughly 4 km from where he was reported missing — and taken to the SAR post for a medical check.
All hiking routes on Gunung Agung (3,031 m) in Karangasem Regency, Bali, are fully closed for one week, from 26 June to 2 July 2026, to honour the pujawali (piodalan) of Karya Aci Purnama Kasa 2026 at Pura Pengubengan in the Besakih temple complex. The closure was announced by Pura Pengubengan priest Jro Mangku Nyoman Artawan via formal letters to the Bali Provincial Climbing Forum, Karangasem climbing communities, and travel agencies. The ceremony peaks on Monday 29 June, with climbing reopening on Friday 3 July 2026. Managers will also clean the trails during the closure.
Karakorum Expeditions — founded by legendary climber Mirza Ali — deployed two five-member teams to establish Camp 1 on K2 (8,611 m, Pakistan) via the Abruzzi Route after weather stabilised on 25 June 2026. Team A has returned to Base Camp, while Team B, which reached Camp 1 on Sunday (June 22), is scheduled to continue fixing ropes toward Camp 2 during the next acclimatisation rotation. K2 has entered its summer climbing season with several international teams now moving upward.
DNA testing has confirmed that the body long known as 'Green Boots' — lying in a limestone alcove at around 8,500 m on Everest's north face — belongs to Lance Naik Dorje Morup, an ITBP (Indo-Tibetan Border Police) soldier from India who perished in the catastrophic May 1996 blizzard, not his companion Tsewang Paljor as widely assumed for 30 years. The ITBP has issued a tender to hire a high-altitude recovery agency to retrieve Morup's remains in keeping with religious and cultural protocols, targeting completion within the June–September 2026 climbing window.
David Göttler (Germany), Tiphaine Duperier and Boris Langenstein (France) climbed Nanga Parbat (8,125 m, Pakistan) alpine-style without fixed ropes via the Schell Route on the Rupal Face — leaving Base Camp on June 21 and summiting on June 24, 2026 at around 15:30. From 7,700 m (high winds prevented launch from the summit), Göttler became the first person to paraglide from Nanga Parbat, reaching Base Camp in under 30 minutes. Duperier and Langenstein completed the first ski descent from the summit on the Rupal side on June 25–26, skiing 7,400–6,000 m of previously un-skied steep snowfields. It was Göttler's fifth attempt on Nanga Parbat since 2013.
Outside Online published a tribute profile of Guillaume 'Gee' Pierrel (42), an IFMGA-certified mountain guide from France killed in an avalanche on K6 (7,282 m) in Gilgit-Baltistan, Pakistan on 24 June 2026. Pierrel was celebrated as a pioneer of extreme ski descents, including the North Face of Aiguille du Dru in the Mont Blanc massif. The article reviews his career and legacy in mountaineering and ski mountaineering.
A heat wave scorching Western Europe is worsening conditions in the Alps, especially the Mont Blanc massif above Chamonix. With overnight refreezing nearly absent above 4,000 m, snow bridges are collapsing, melting permafrost is driving more frequent rockfall, and wide crevasses have opened on Mont Blanc du Tacul. La Chamoniarde urged mountaineers to stick to safer rock routes.
Gunung Lewotobi Laki-Laki in Flores Timur, East Nusa Tenggara, erupted again on Thursday night (25 June 2026) at 22:05 WITA. The volcanic ash column reached approximately 1,500 m above the summit (~3,084 m asl), observed grey with thick intensity moving toward the north and northeast. Seismograph recordings showed a maximum amplitude of 44.4 mm over a 92-second duration. PVMBG monitoring officer Bramantya Aji urged residents and tourists to avoid all activity within a 5 km radius from the eruption center and remain vigilant about potential lahar flooding on rivers with headwaters at the summit.
A 15-year-old student (initials ANK) from Cibiru, Bandung, who went missing while solo hiking in the Lembah Tengkorak (Skull Valley) area of Cipanjalu Village, Cilengkrang, Bandung Regency, was found alive on Thursday (25 June 2026). He had set out on Tuesday (23 June) morning and was lost for two days before a farmer named Hanli discovered him in a garden in Sukasari Village, Cisalak, Subang Regency — about 4 km from his starting point. A joint SAR team of 74 personnel ran an intensive search, then evacuated and medically checked the teenager at the main post.
BMKG issued an early-warning bulletin for extreme weather valid through 26 June 2026, covering 26 Indonesian provinces including mountainous areas in Aceh, Banten, Bengkulu, Jakarta, Jambi, East Java, West/Central/North Kalimantan, Bangka Belitung, Kepulauan Riau, Lampung, Maluku, and North Maluku. Papua Pegunungan (Highlands) was placed on Siaga (alert) status for very heavy rain. Conditions are driven by a tropical cyclone seed and local convergence zones intensifying convective cloud growth. Hikers and nature tourists in affected highland areas — including mountains in East Java, Banten, and Sumatra — are urged to monitor the latest BMKG forecasts and avoid landslide-prone routes during the warning period.
Mount Semeru on the Lumajang–Malang border, East Java, erupted twice on Thursday morning (25 June 2026), with the first eruption recorded at 09:24 WIB. The ash column reached approximately 1,200 m above the summit (±5,076 m asl), white to grey in colour with moderate intensity, trending southward. Seismic activity was recorded with a maximum amplitude of 22 mm and a duration of approximately 2 minutes 26 seconds. The column was notably higher than Wednesday's 600 m eruption. Alert status remains Level III (Siaga); PVMBG prohibits all activity along the southeast Besuk Kobokan drainage within 13 km of the summit and within 500 m of riverbanks along Besuk Bang, Besuk Kembar, and Besuk Sat.
Indonesia's Ministry of Tourism (Kemenpar) is strengthening supervision of tourism activities around active volcanoes following the May 2026 Gunung Dukono eruption in North Halmahera, North Maluku, which killed three hikers. Kemenpar is coordinating with natural tourism site managers to ensure no climbers or tourists enter hiking areas when a volcano is at Level II (Waspada) alert or higher. Tour and climbing guides will be subjected to regular audits and are strictly prohibited from allowing tourists to approach danger zones for any reason, including documentation or social media content. The public is advised to check volcano activity status via the MAGMA Indonesia app developed by PVMBG before planning any mountain trip.
The Cottonwood Fire, ignited June 22, 2026 near Beaver, Utah, burned over 70,000 acres at 0% containment as of June 25. Eagle Point Resort — operating since the 1970s — sustained major damage including a destroyed lower lodge and condominiums; owner Shane Gadbaw confirmed 'significant property loss' with an indefinite closure. Utah Governor Spencer Cox called it potentially the most destructive fire in state history, with zero fatalities. Fishlake National Forest issued a closure order effective June 24 through December 31, 2026, shutting SR-153 and numerous hiking trails (Paiute 01, PST 34, PST 29, PST 05, PST 26, PST 68, and others). Mandatory evacuation orders remain for Eagle Point, Merchant Valley, HiLo Estates, and Arrowhead Summer Homes communities.
Boris Jule (France) and Christina Maria (Switzerland) — two climbers previously reported missing after an avalanche killed Chamonix guide Guillaume Pierrel (40) on K6 (7,282 m) in Pakistan's Gilgit-Baltistan on 24 June 2026 — have been confirmed safe. The pair contacted their families via satellite communication shortly after the incident; families then relayed the information to the tour operator. The avalanche struck the team at around 5,000 m altitude during their ascent. Pierrel, known for extreme first ski descents including the North Face of the Dru, died at the scene.
The American Alpine Club and Black Diamond Equipment announced two 2026 Cutting Edge Grant recipients. Chantel Astorga and Fanny Schmutz received US$7,000 for their third attempt on the ENE face of Shivling (6,543 m) in India's Garhwal Himalaya, where the pair came within 250 m of completing the line in 2024. Tad McCrea and Jon Griffin received US$6,000 for a new route on Kula Kangri (7,538 m) on the Bhutan–Tibet border — a peak with only two ascents in history — expected to involve roughly 2,000 m of steep technical terrain followed by a broad alpine ridge to a plateau.
Two international teams are heading for Masherbrum (7,821m) in Pakistan's Karakoram — a peak that has been summited only four times in history. A Czech trio (Zdenek Hak, Radoslav Groh, Jaroslav Bansky) plan a new route and possibly the first ascent of the west face, first climbing Biarchedi on skis for acclimatization. A Colombian team led by Anibal Pineda (64), with Julio Cardona and Fernando Acosta, will use traditional expedition style with fixed ropes and four high camps.
The Everest Summiteers Summit (ESS) 2026 concluded in Kathmandu, Nepal on Wednesday (24 June 2026) with a call for stronger global collaboration on climate change, mountain safety, sustainable tourism, and long-term Himalayan resilience. Organised by Everest Alliance Nepal under the theme 'Uniting Voices for the Future of the Himalaya', the two-day event brought together 176 summiteers from 26 countries alongside policymakers, researchers, and conservationists from WWF, ICIMOD, IUCN, and ZSL. Kami Rita Sherpa received a Lifetime Achievement Award for his contributions to mountain tourism and high-altitude climbing, while He Jing of China was recognised as the first woman to summit all 14 peaks above 8,000 m without supplemental oxygen. A memorandum of understanding was signed between Everest Alliance Nepal and outdoor equipment company Pelliot to strengthen expedition safety and high-altitude gear development.
The Gunung Kembang hiking trail via Lengkong basecamp in Wonosobo, Central Java, is temporarily closed from June 25 to July 3, 2026 per official circular SE 002/VI/2026 issued after a management meeting on June 16. All climbing activities via Lengkong are prohibited during this period. The trail is scheduled to reopen on July 3, 2026 at 19:00 WIB.
The hiking trail on Gunung Karang (1,778 m) in Pandeglang Regency, Banten, via Kaduengang Village has been officially closed since 21 June 2026 following increased earthquake activity in the area. The decision was reached through a community consultation involving the Village Government, Village Community Institutions (LKD), and Kaduengang basecamp managers, as a precautionary measure to protect hikers. Pilgrimage activities to Gunung Karang remain permitted under existing regulations. No definite reopening date has been announced; would-be climbers are advised to monitor official announcements from basecamp managers or local authorities before planning a trip.
Volcanic activity at Gunung Anak Krakatau (GAK) in the Sunda Strait, South Lampung Regency, intensified significantly on Wednesday (24 June 2026). PVMBG recorded a seismic surge on 23 June: 35 emission earthquakes (amplitude 3.9–35.6 mm, 8–59 sec), 20 low-frequency events (3.6–45.7 mm, 6–26 sec), 33 hybrid/multiphase events (3–39.5 mm), and one continuous tremor at 1 mm dominant amplitude. Visually, GAK emitted white crater smoke about 200 m above the summit. Officials noted the uptick is still within a safe corridor but is being monitored daily. Alert status remains Level II (Waspada); the public, tourists, and fishermen are prohibited from entering a 2 km radius around the active crater.
BMKG has placed North Sumatra and Kepulauan Riau on Siaga (alert) status for potentially heavy to very heavy rainfall on Wednesday–Thursday (24–25 June 2026), driven by Tropical Cyclone Seed 94UW in the Pacific Ocean intensifying local convective clouds. The western and eastern mountain slopes of North Sumatra — including the Karo Regency highlands where Mount Sinabung and Mount Sibayak are located — face risks of heavy rain, lightning, and strong winds that can trigger flooding, landslides, and whirlwinds. Aceh, Riau, and West Kalimantan are on Waspada (caution) status. Hikers and nature tourists in the North Sumatra highlands are advised to monitor the latest weather conditions and avoid landslide-prone routes.
German alpinist David Göttler and French teammates Tiphaine Duperier and Boris Langenstein made history on Nanga Parbat (8,125 m), Pakistan on 24 June 2026. The trio climbed the Schell Route on the Rupal Face in pure alpine style — no supplemental oxygen, fixed ropes, or porters — marking only the eighth successful ascent of this route since it was pioneered in 1976. Duperier became just the second woman in history to climb the Schell Route. Göttler then deployed a paraglider from 7,700 m and flew to base camp in under 30 minutes, becoming the first person ever to paraglide from Nanga Parbat. Duperier and Langenstein made the first ski descent of the Rupal Face from the summit, descending Nanga Parbat's nearly 4,600 m face — the tallest mountain wall on Earth.
Gunung Merbabu National Park has officially opened climbing quotas for July 2026 through its online registration system. Slots are distributed across five active routes: Selo (578 hikers/day, the largest), followed by Thekelan (391), Suwanting (383), Wekas (294), and Cuntel (126). Hikers planning trips in late July–early August should note temporary closures of the Thekelan route (28–30 July) and Selo route (31 July–2 August) to support the Merapi Merbabu De Trail (MMDT) event; the Cunthel, Suwanting, and Wekas routes remain open throughout.
French mountain guide and extreme skier Guillaume Pierrel (40) has died after a sudden avalanche of snow and rocks swept over him during an ascent of K6 (7,282 m) in Pakistan's Gilgit-Baltistan region on 24 June 2026. Two other international climbers who were with him remain missing. A joint SAR team of local police and volunteers has been dispatched to retrieve the body and locate the missing pair. Pierrel, a Chamonix-based guide known for extreme first-ski descents including the North Face of the Dru on the Mont Blanc massif, was a prominent figure in the European extreme mountaineering community.
Azhar Nursyekha Kamal (15), a student from Bandung, went missing while solo hiking in the Lembah Tengkorak area, Cilengkrang, Bandung Regency, West Java, on Tuesday morning (23 June 2026). He checked in at the basecamp at 08:30 WIB to survey the trail but never returned. A joint SAR team searched with thermal drones across routes toward Legok Jero, Kebon Kopi Lama, and the summit of Mount Sanggara. After two days, he was found safe by a farmer in Cisalak District, Subang Regency, about 4 km from the initial search area, on Wednesday (24 June 2026) at around 08:00 WIB.
Mount Semeru in East Java erupted on Wednesday (24 June 2026) at 06:22 WIB with an ash column about 600 m above the summit (±4,876 m asl), dense grey in colour and heading west. Seismographs recorded a maximum amplitude of 22 mm over 130 seconds. Overnight monitoring (00:00–06:00 WIB) logged 14 eruption earthquakes, 3 rockfall earthquakes, 2 emission earthquakes, 1 harmonic tremor, and 1 distant tectonic earthquake. Alert status remains Level III (Siaga); PVMBG prohibits all activity along the southeast Besuk Kobokan drainage within 13 km of the summit and within 500 m of riverbanks along Besuk Bang, Besuk Kembar, and Besuk Sat.
A serac collapsed in the Mont Blanc du Tacul sector of Haute-Savoie, France, at around 4,100 m altitude in the early hours of Monday (23 June 2026), triggering an ice avalanche that swept through a group of passing climbers. Of 15 climbers involved, one died and four were injured — one critically. Seven others escaped unharmed. The PGHM Chamonix mountain rescue unit responded immediately and evacuated casualties to hospitals in Sallanches and Annecy. The incident again highlights the danger of serac collapses on the north-northwest flank of Mont Blanc du Tacul, a route with a long history of fatal accidents.
The Balai Besar of Gunung Gede Pangrango National Park (TNGGP) has officially closed all hiking trails and visitor areas for seven days, 23–29 July 2026, as the trails will be used for the Jakarta Open Trail Run (JOTR) and the South East Asia Trail Running Confederation series. The closure is based on Circular Letters Nos. 11 and 12 of 2026. No regular hiking registrations will be accepted during this period; violators face blacklisting from all national parks in Indonesia. Prospective hikers are advised to register after the JOTR event concludes.
All climbing routes on Mount Agung in Karangasem Regency, Bali are temporarily closed from Friday 26 June to Thursday 2 July 2026. The measure is set out in official letter No. 27/PPK.PPB/VI/2026 from Pura Pengubengan Besakih, in connection with the Karya Aci Purnama Kasa 2026 ceremony at Pura Pengubengan Besakih, Besakih Village, Rendang District. The temple administration calls on all residents, tourists, and climbers to respect the sanctity of Mount Agung during the ceremony. Climbers planning to ascend in late June are advised to postpone until after 2 July 2026.
Mount Semeru in East Java erupted twice on Tuesday (23 June 2026) morning. The first eruption at 05:30 WIB sent an ash column about 1,200 m above the summit (±4,876 m asl), white to grey and moderate in intensity toward the south. A second eruption at 06:21 WIB produced a 700 m column, registering 22 mm amplitude over 134 seconds on seismographs. Alert status remains Level III (Siaga); PVMBG prohibits activity along the southeast sector of Besuk Kobokan within 13 km of the peak and within 500 m of riverbanks up to 17 km from the eruption centre.
Mount Ile Lewotolok in Lembata Regency, East Nusa Tenggara, erupted on Monday (22 June 2026) at 10:17 WITA. The ash column reached approximately 600 metres above the summit (about 2,023 m above sea level), grey with thick intensity drifting westward. Seismograph recordings showed a maximum amplitude of 40 mm over a duration of about one minute and 16 seconds. PVMBG has set Mount Ile Lewotolok at Alert Level II (Waspada) and advises the public, visitors, and climbers not to enter or conduct activities within a 2-kilometre radius of the eruption centre.
Two volcanoes in East Nusa Tenggara (NTT) — Lewotobi Laki-laki in East Flores and Ile Lewotolok in Lembata — erupted in rapid succession on Monday morning (22/6/2026). Lewotobi Laki-laki went first at 10:06 WITA with a 300 m ash column above the summit, then Ile Lewotolok at 10:53 WITA with an 800 m ash column (2,223 m asl). As a result, Bandara Frans Seda Maumere was temporarily closed until Tuesday (23/6) at 06:00 WITA, with six flights on the Kupang and Labuan Bajo routes cancelled. Ash NOTAMs (ASTHAMs) were issued for both volcanoes. Both remain at Alert Level II (Waspada); PVMBG advises against entry within the recommended exclusion radius.
All climbing routes on Mount Agung in Karangasem Regency, Bali are fully closed from 26 June to 2 July 2026 for the Karya Aci Purnama Kasa ceremony at Pura Pengubengan Besakih. The closure is formalised in official notice letter No. 27/PPK.PPB/VI/2026 addressed to all parties involved in climbing activities. Hikers planning to climb Gunung Agung in late June are urged to postpone until after 2 July 2026 and to monitor updates from the park management.
Gunung Gede Pangrango National Park (BBTNGGP) announced the full closure of all climbing routes and tourist areas from 23–29 July 2026 for the Jakarta Open Trail Run (JOTR) and South East Asia Trail Running Confederation event. All climbing and tourism access is suspended for a full week as the trails are exclusively used by national and international trail running participants. Hikers planning to climb during that period are asked to postpone; no online registration or rescheduling is available during the closure.
Gunung Gede Pangrango National Park (TNGGP) is closing all climbing routes and tourist areas for one week from 23 to 29 July 2026, under Circular Letters No. 11 and 12 of 2026. The closure accommodates the Jakarta Open Trail Run (JOTR) and the South East Asia Trail Running Confederation series, which draw international participants. No general climbing or tourism will be permitted during this period; would-be hikers are advised to register after the event ends, as online booking has not yet opened for that window.
Mount Ile Lewotolok in Lembata Regency, East Nusa Tenggara, erupted again on Monday (22 June 2026) at 10:17 WITA. The ash column reached about 600 m above the summit, grey and thick towards the west. The eruption registered a maximum amplitude of 40 mm over approximately 1 minute 16 seconds. Alert status remains Level II (Waspada). Prior eruptions of Lewotolok alongside Mount Lewotobi Laki-laki had forced the temporary closure of Frans Seda Airport (Maumere) and Gewayantana Airport (Larantuka) in Flores.
Indonesia's weather agency BMKG issued an early warning for West Kalimantan for 21–23 June 2026. On 22 June, moderate-to-heavy rain is forecast across nine districts including Bengkayang, Kapuas Hulu, Singkawang, Kubu Raya, Melawi, Sambas, Sanggau, Sekadau and Sintang, risking rising water, flooding, slippery roads and disruption, especially in flood- and landslide-prone areas.
Mount Semeru in East Java erupted again on Sunday (21 June 2026) at 08:33 WIB. The ash column rose about 500 m above the summit, white-to-grey and thick, blowing westward. The volcano has erupted 54 times in the past week; its status remains Level III (Siaga/Alert). PVMBG bars activity within 13 km southeast along Besuk Kobokan from the summit, and within 500 m of riverbanks due to pyroclastic-flow and lahar risk.
Mount Ibu in West Halmahera, North Maluku, erupted again on Sunday (21 June 2026) at 06:30 WIT. The ash column reached about 400 m above the summit (±1,725 m asl), medium-to-thick and leaning northeast. The volcano remains at Level II (Alert). PVMBG bars residents and visitors from activity within a 2 km radius, plus a 3.5 km sectoral expansion toward the crater opening on the north side. The eruption is part of a continuing run of frequent eruptions over the past week.
A hiker was critically injured on Mount Scott in the Wichita Mountains, Comanche County, Oklahoma, on Saturday (20 June 2026). With remote terrain and severe injuries making a ground evacuation unsafe, Gov. Kevin Stitt authorized an Oklahoma National Guard UH-60 Black Hawk helicopter. A combined team — Oklahoma Highway Patrol, the National Guard, and Oklahoma Task Force 1 — located, hoisted, and airlifted the hiker to emergency care in under an hour.
Mount Rinjani National Park issued an official procedure for tektok (same-day up-and-down) climbing: book via the eRinjani app, file an activity request endorsed by a climbing community, attach a tektok-capability recommendation, ID copy and e-ticket proof, then await verification and a recommendation letter; check in at the gate on the day with standard gear and personal medicine, and submit a completion report.
Mount Merbabu National Park, with Arei Outdoor Gear and the Suwanting Indah forest-farmers group, opened a new emergency shelter at Post 3 of the Suwanting route (2,738 m) in Magelang. Built 29 May–10 June 2026, it has solar panels, Wi-Fi, weather-monitoring CCTV, radio comms and lightning protection to shelter climbers in extreme weather, hypothermia or accidents before formal evacuation.
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