reykjanes · Iceland
Gunnuhver Geothermal Area
Gunnuhver Geothermal Area is a highly active geothermal site located on the southwestern tip of the Reykjanes Peninsula. The area is known for its large boiling mud pools, steam vents, and sulphur-rich geothermal activity, making it one of the most dramatic geothermal landscapes in Iceland. Unlike many geothermal bathing locations, Gunnuhver is far too hot for bathing, with temperatures exceeding boiling point in some areas.
About Gunnuhver Geothermal Area
Gunnuhver Geothermal Area is a highly active geothermal site located on the southwestern tip of the Reykjanes Peninsula. The area is known for its large boiling mud pools, steam vents, and sulphur-rich geothermal activity, making it one of the most dramatic geothermal landscapes in Iceland. Unlike many geothermal bathing locations, Gunnuhver is far too hot for bathing, with temperatures exceeding boiling point in some areas.
History & Background
Gunnuhver has been known for centuries as one of Iceland’s most powerful geothermal areas. The site has long been associated with Icelandic folklore and has also played a role in geothermal energy exploration on the Reykjanes Peninsula.eath the surface.
Key Facts
- ✔Type: Geothermal field
- ✔Features: Steam vents and mud pools
- ✔Temperature: Extremely hot (not safe for bathing)
- ✔Location: Reykjanes Peninsula
- ✔Nearby: Reykjanesviti lighthouse
- ✔Nearby: Valahnúkamöl cliffs
- ✔Nearby: Bridge Between Continents
Tours Near Gunnuhver Geothermal Area
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Why Visit
Steam vents and boiling mud create dramatic landscape
Hidden Gems Nearby
Largest mud pool in Iceland
Gunnuhver features one of the largest and most active mud pools in the country.
Experience Iceland’s geothermal power up close in one of its most intense locations.
Wooden boardwalk access
Visitors can safely walk through the geothermal area using designated boardwalk paths.
Get close to steaming vents and boiling mud safely.
Part of Reykjanes route
Located near several major attractions on the Reykjanes Peninsula.
Perfect stop on a short trip from Keflavík Airport.
Practical Information
Best Time
Accessible year-round, best visited during daylight for visibility and safety.
Duration
20–30 minutes
Access
Located near Reykjanesviti lighthouse with parking and boardwalk access.
Photo Gallery
Frequently Asked Questions
Can you swim at Gunnuhver?▾
No. The water is extremely hot and dangerous.
Is Gunnuhver safe to visit?▾
Yes, if visitors stay on marked paths and boardwalks.