north-iceland · Iceland
Námafjall Geothermal Ridge
About Námafjall Geothermal Ridge
Námafjall is a mountain ridge and high-temperature geothermal area on the east side of Lake Mývatn. The Hverir field at its base is one of Iceland's most impressive geothermal displays, with boiling mud pots, hissing steam vents, and vivid yellow sulfur deposits creating a landscape that looks more like Mars than Earth. The area is free to visit but visitors must stay on marked paths as the ground can be scalding.
History & Background
Námafjall has been a significant site in Iceland's landscape. Throughout the years, this location has played an important role in Icelandic culture and natural history.
Did You Know?
- ✔High-temperature geothermal field at 711 meters elevation
- ✔Also known as Hverir or Hverarönd
- ✔Boiling mud pots, fumaroles, and sulfur deposits create an alien landscape
- ✔The mountain itself can be climbed for views (trail from parking area)
- ✔Strong sulfur smell — stay on marked paths, ground is dangerously hot
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Browse Iceland Tours →About Námafjall Geothermal Ridge
Námafjall is a mountain ridge and high-temperature geothermal area on the east side of Lake Mývatn. The Hverir field at its base is one of Iceland's most impressive geothermal displays, with boiling mud pots, hissing steam vents, and vivid yellow sulfur deposits creating a landscape that looks more like Mars than Earth. The area is free to visit but visitors must stay on marked paths as the ground can be scalding. A trail from the parking area leads up the mountain for panoramic views of the Mývatn region.
History & Background
Námafjall has been a significant site in Iceland's landscape. Throughout the years, this location has played an important role in Icelandic culture and natural history.
Story & Folklore
Námafjall is a pale yellow-orange ridge of hydrothermally altered rhyolite east of Lake Mývatn, at the edge of the active Krafla volcanic system. The entire ridge is coloured by sulphur and iron compounds deposited by geothermal fluids percolating through the rock. On the flanks and at the base of Námafjall lies the Hverir geothermal area — the most easily accessible concentration of mud pots, fumaroles and sulphur deposits in Iceland. The ground here literally shakes with geothermal activity. The name 'Námafjall' means 'Sulphur Mine Mountain' — sulphur was extracted here commercially for centuries and exported to Europe. The vivid yellow-orange-red colour palette on the ridge is especially striking on overcast days when the colours glow against grey sky.
Visitor Information
Best Time
Year-round
Duration
30–60 minutes
Access
On Route 1 east of Mývatn. Parking at the base of the hill. Stay on marked paths.
Why Visit
Climb for views of Mývatn and the volcanic landscape
Did You Know?
The area features vigorous fumaroles and sulfur deposits
The Troll of Námafjall
An ancient tale speaks of a troll who once roamed Námafjall. The troll was caught by the rising sun while traveling home and turned to stone, becoming part of the landscape. Local people say you can still see the troll's silhouette in the mountain formation, forever frozen as a reminder to respect the power of daylight.
📖 Stories & Legends
Icelandic sagas and folklore from this area
Hidden Gems Nearby
Steam Patterns
Watch how the steam patterns change with wind direction and temperature throughout the day.
On cold mornings, the steam is most dramatic, creating an otherworldly atmosphere that photographs beautifully.
Mineral Colors
Notice the vivid colors around the geothermal features — yellow sulfur, red iron oxide, and green algae.
These colors represent different minerals deposited by the hot water, creating a natural palette unique to each hot spring.
Bubbling Mud Pots
If present, the bubbling mud pots are mesmerizing to watch — each bubble is a small volcanic event.
The mud is created by acidic steam breaking down the surrounding rock, and each site has a unique bubbling rhythm.
Practical Information
Best Time
Year-round
Duration
30–60 minutes
Access
On Route 1 east of Mývatn. Parking at the base of the hill. Stay on marked paths.
Frequently Asked Questions
Is it safe to touch the geothermal water?▾
Never touch geothermal water unless at a designated bathing area. Water temperatures can exceed 100°C and cause severe burns.
Can I visit geothermal areas year-round?▾
Yes, most geothermal areas are open year-round. The steam is even more dramatic in cold winter weather.
Do I need to stay on boardwalks?▾
Yes, always stay on marked paths and boardwalks. The ground near geothermal features can be thin and unstable.
