Multi-day trek from Landmannalaugar to Thorsmork
Thorsmork (Þórsmörk): Valley Between Three Glaciers
Þórsmörk
Iceland's most famous valley, named after the Norse god Thor. A green highland valley between three glaciers: Eyjafjallajökull, Mýrdalsjökull, and Tindfjallajökull.
Multiple river crossings are dangerous, so use modified super-jeeps. Weather changes rapidly. Register travel plans at safetravel.is.
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Eyjafjallajökull, Mýrdalsjökull, Tindfjallajökull
Accessible only during summer months
River crossings require super-jeeps
The 2010 eruption reshaped the landscape, and trails now cross the new volcanic terrain
Básar, Langidalur, and Húsadalur are the accommodation options in the valley
Key Highlights
Laugavegur Trail
Iceland's best-known hiking trail, 55 km from Landmannalaugar
Three Glaciers
Set between Eyjafjallajökull, Mýrdalsjökull, and Tindfjallajökull
Lush Vegetation
Birch forests, wildflowers, and moss-covered ground in a glacial valley
Stakkholtsgjá Canyon
A narrow canyon with a waterfall at its end
Valahnúkur Viewpoint
Wide views of the valley and surrounding glaciers
River Crossings
Glacial river crossings that require modified super-jeeps
How to Get There
- River crossing required: take a modified super-jeep bus from Hella, Hvolsvöllur, or Seljalandsfoss
- Reykjavik Excursions and Trex operate daily summer buses crossing the Krossá river
- Do NOT attempt river crossings in a standard rental car: glacial rivers are dangerous
- Approximately 150 km from Reykjavik; super-jeep transfer takes about 3 hours total
- Alternatively, hike in from Skógar via the Fimmvörðuháls trail (25 km, full day)
Best Time to Visit
- Late June to August: Only accessible period, all trails open, midnight sun, 8-15°C
- July: Peak season with the most reliable weather and greenest vegetation
- Early September: Last chance before access closes, autumn colors in the birch
- October-May: Inaccessible by vehicle due to river conditions and snow
- June: Snowmelt can make rivers higher, so check conditions with bus operators before booking
Planning help
Thorsmork FAQs
Quick answers with safety notes where it matters.