GUNUNG · Iceland

Askja

Askja (ás. 'kista/skrín') — massif Dyngjufjöll; danau kaldera Öskjuvatn & kawah Víti

Information

Elevation: 1.516 m
Country: Iceland (IS)
Location / Range: Dyngjufjöll — Vatnajökull National Park, central Icelandic highlands
Mountain type: Complex caldera central volcano — the Askja–Dyngjufjöll system in Iceland's central highlands
Volcanic?: Yes — volcano
Coordinates: 65.0300, -16.7500
Difficulty: Easy–moderate; 4WD access is mandatory via the F88 (Öskjuvegur) highland road, about 45–60 km from the paved road; the walk from the Ölvingssel/Dreki car park (about 700 m elevation) is about 2.5 km to the Víti crater and the shore of Öskjuvatn, over flat terrain across open volcanic plains, with no technical climbing
Best Season: July–September (the F88 and F910 Dreki roads open in summer when the snow melts, usually early July–late September; the F-roads are firmly closed from autumn to spring and cannot be driven by ordinary vehicles at any time)
Permits & Rules: No formal climbing permit; entry to Vatnajökull National Park is free; a 4WD with high ground clearance is absolutely mandatory for the gravel F-roads and glacial river crossings; never enter an F-road with a low-clearance vehicle
Hazards: Weather changes suddenly in the highlands (storms, fog, and sudden extreme temperatures); very far from emergency help; the rim of the Öskjuvatn crater is unstable and dangerous; the Víti water looks warm but the edge and surface currents can be dangerous; an active volcano (last eruption 1961) — monitor vedur.is if seismic activity increases

Description

Askja (1,516 m) is a massive caldera volcano complex in the central Icelandic Highlands, within Vatnajökull National Park. The area is renowned for two extraordinary features: the Víti crater — a pale-blue geothermal pool of warm water where visitors can swim — and the caldera lake Öskjuvatn, Iceland's deepest lake at approximately 190 metres, formed by the violent 1875 eruption that carved an 11 km² caldera. That eruption was so explosive its ash reached Scandinavia, killing tens of thousands of livestock and triggering the emigration of roughly 3,000 Icelanders to North America. Askja gained additional fame when NASA selected it as a geological field-training site for Apollo astronauts: Neil Armstrong, Buzz Aldrin and colleagues trained here in 1965 because the desolate volcanic terrain so closely resembled the lunar surface. Reaching Askja requires a 4WD vehicle on F-road 88 (Öskjuvegur) or F910 for approximately 45–60 km from paved roads — a journey possible only in summer (July–September) when the highland roads open. From the parking area at Ölvingssel/Dreki (700 m), the walk to Víti crater and the Öskjuvatn rim is just ~2.5 km across flat volcanic terrain, completable in 2–3 hours without technical skills, making Askja one of the most accessible yet most dramatic highland destinations in Iceland.

Gallery

Foto bersumber dari Wikimedia Commons — klik untuk memperbesar & lihat sumbernya.

Routes

Trek Ngarai Drekagil (Dreki → Danau Askja)

Menengah; lebih menantang dari rute Víti standar — menyusuri dasar ngarai dengan penyeberangan sungai dangkal dan lereng scree berbatu; alas kaki tahan air dianjurkan; jalur bisa tutup saat kondisi buruk

7.00 km +250 m ±2 jam satu arah dari pondok Dreki (4–5 jam pulang-pergi)

A more adventurous alternative to the standard Víti trail from the Vikraborgir car park: the Drekagil canyon trek departs directly from the Dreki hut (~700 m) and follows a rocky ravine linking Dreki with the Lake Askja area. According to Epic Iceland's guide and No Guidebooks' trip report, it takes about 2 hours one way, crossing shallow streams and scree slopes, with a few adrenaline-raising steps along the edge. Drekagil canyon itself holds a waterfall at its head and dramatic volcanic cliff scenery. The trek is only feasible when the trail is open (generally late June to mid-September) and is best combined with a visit to the Víti crater and the shore of Lake Öskjuvatn. The Dreki trailhead is reachable only by 4WD via the F-roads (F905→F910 or F88), which include river crossings.

Route Segments

1

Pondok Dreki (~700 m) → Mulut Ngarai Drekagil

⏱ 20–30 menit 750 mdpl

Jalur masuk ke ravine; penyeberangan sungai dangkal; medan berbatu
2

Dasar Ngarai Drekagil → Air Terjun & Lereng Scree

⏱ 45–60 menit 900 mdpl

Menyusuri dasar ngarai; scree berbatu dan beberapa langkah di tepi yang menegangkan; air terjun di ujung ngarai
3

Ngarai Atas → Kawasan Danau Askja/Öskjuvatn

⏱ 30–45 menit 950 mdpl

Keluar ke padang lava kaldera menuju kawasan Víti/Öskjuvatn; medan terbuka tanpa perlindungan angin; jalur bisa tutup saat kondisi buruk

Source

Ölvingssel/Dreki → Kawah Víti → Tepi Danau Öskjuvatn (rute standar)

Mudah; medan datar–miring ringan di padang vulkanik terbuka; tidak ada pendakian teknis; kendaraan 4WD wajib untuk mencapai titik awal

5.00 km +150 m 2–3 jam pulang-pergi dari parkir Dreki

The standard Askja route starts from the Dreki/Ölvingssel parking area (~700 m), reachable only by 4WD on F-road 88 (Öskjuvegur) from Mývatn in the north or via Möðrudalur. From the car park, an informally marked trail crosses lava fields and black obsidian for ~2.5 km to the rim of the Víti crater, which appears suddenly — a circular geothermal pool of pale blue-green water ringed by ~150 m cliffs. Descending to the water's edge is possible via a loose informal path (~100 steps), and swimming is possible for visitors able to tolerate the temperature (~25–30°C). From Víti, a short walk of a few hundred metres leads to the northern shore of the deep, dark lake Öskjuvatn. Views from the caldera rim encompass Askja's black lava expanse, remnants of the 1875 Askja caldera, and distant snow-capped peaks in every direction.

Route Segments

1

Parkir Dreki (~700 m) → Rim Kawah Víti (~820 m)

⏱ 45–60 menit 820 mdpl

Jalur datar hingga miring ringan melintasi padang lava dan pasir vulkanik hitam; tidak ada penanda resmi, ikuti jalur yang terinjak; medan terbuka tanpa perlindungan angin
2

Rim Víti → Kolam Geothermal Víti (dasar kawah ~720 m)

⏱ 10–15 menit turun (jalur informal curam) 720 mdpl

Jalur tidak resmi melingkar turun ke tepi air; gunakan tangan untuk keseimbangan; permukaan tanah lembek dan bisa licin; berenang dimungkinkan (suhu air ±25–30°C)
3

Víti → Tepi Utara Öskjuvatn (~770 m)

⏱ 15–20 menit 770 mdpl

Jalan pendek dari kawah Víti ke tepi danau kaldera Öskjuvatn; jangan mendekati tepi yang tidak stabil; danau sangat dalam (~190 m) dan airnya sangat dingin

Source

Climbing Experiences

Visiting Askja means a double adventure: a thrilling 4WD drive on F-roads (F905/F910 or F88) across black lava plains and glacial rivers with several fords, followed by a walk across barren volcanic terrain to the pale-blue Víti geothermal crater and the calm shores of the caldera lake Öskjuvatn. Visitors consistently describe the atmosphere as 'being on another planet' — Mars or the Moon — with total silence and lava ground that sounds hollow underfoot. The standard trail from the Vikraborgir/Dreki car park at the end of F894 runs about 6.5 km round trip (~150 m gain, 1.5–2 hours) to the Víti rim, which appears suddenly; descending to its geothermal pool is via a steep, slippery mud slope, and swimming in the ~30°C water is possible though sometimes not advised due to rockfall. The best season is late June to mid-September, when the F-roads are open.

References

The summary above is compiled from the following sources. Click to explore them yourself.