Hot springs
Geysers
Mud pots
Fumaroles
Steam vents
Boiling water
Sulfur deposits
Parking
Viewpoint
Hike required
Marked trail
Warning signs
Stay on marked paths
Geothermal features
A highly active geothermal area with fumaroles, mud pots and colourful mineral deposits in the rhyolite landscape of Kerlingarfjoll.
Safety
Do not leave marked trails. New geothermal vents can open and boiling features may be hidden beneath a thin surface crust.
About Lower Hveradalir Geothermal Area
Lower Hveradalir is one of Iceland's most active and colourful high-temperature geothermal areas, located in Kerlingarfjoll. Dense clusters of fumaroles, mud pots and geothermal alteration occur among pale rhyolite mountains. The area is protected and visitors are not permitted to leave marked hiking trails. The route through Lower Hveradalir is one of the best-known hikes in Kerlingarfjoll and offers a striking view of the interaction between volcanism, geothermal heat and highland scenery.
Last verified 18 September 2026 Source