Askja
Askja is an active central volcano and nested caldera complex in the Dyngjufjöll mountains of the central highlands, reachable only via the F88 highland road in summer. It holds Öskjuvatn, Iceland's second-deepest lake at 220 metres, and the smaller geothermal crater Víti, whose milky, mineral-rich water is warm enough for bathing.
Region
Highlands
Coordinates
65.0331° N, 16.7831° W
Important to know
- High danger
- Remote highland roads with river crossings, limited season access, lava-field walking, severe weather exposure, active volcanic monitoring context, geothermal Víti water, steep crater slopes, and limited services create serious risk.
- Seasonal access
- Reachable only via the F88 highland road in summer.
Plan the stop
- Who it suits
- 10+
- Remote highland location with a long walk over lava terrain and a road only open in summer favors older children and adults with reasonable fitness.
- Allow
- 3 hrs
- Effort · Hard
- Long remote drive plus a 5 km round-trip walk over lava terrain.
- Approach
- 5 km · 2 hrs. Approximate round trip from the Vikraborgir parking area to Öskjuvatn and Víti; commonly described as about 2.5 km each way across lava terrain.
Accessibility
- Wheelchair · None
- The site is reached via the F88 highland road (with river crossings requiring a high-clearance 4x4) followed by a 2.5 km walk each way across a lava field to the Víti crater rim; there is no accessible path.
- Limited mobility · None
- Remote F-road access, river crossings, and a long rough lava walk make this unsuitable for limited mobility or low stamina.
- Sensory · Partial
- Stark open terrain, wind, cold, sulfur near Víti, and isolation can be intense.
- Cognitive · Limited
- Highland road choice, river conditions, weather, volcanic monitoring, and the crater walk require careful planning.
Why it matters
A catastrophic explosive eruption on 28-29 March 1875 produced a caldera collapse that formed Öskjuvatn, killed a significant share of Iceland's livestock, and deposited ash as far as Scandinavia, forcing the abandonment of at least 16 farms. Its stark, moon-like terrain was used by NASA to train Apollo astronauts in the late 1960s, and the volcano remains under active monitoring, having shown sustained ground uplift since 2021.
More photos
Viti geothermal crater lake at Askja