Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Öskurhóll — 'Ash Hill' — is a geothermal spring or volcanic feature in Iceland set on or near a hill marked by volcanic ash deposits, a reminder of Iceland's long history of eruptions and the layers of tephra that have accumulated in the landscape over millennia of volcanic activity. The combination of geothermal activity and volcanic ash terrain creates the distinctive black-and-steam aesthetic of Iceland's interior highlands, where the raw forces of geological creation are visible in every direction. The site offers visitors an immersive experience of Iceland's active volcanic landscape alongside its geothermal spring heritage.
Insider tip — Öskurhóll is a fumarolic vent hill within the Kerlingarfjöll highland resort area, where steam rises from fissures on a small ridge. The ground around the vent is warm to the touch and encrusted with yellow sulfur crystals deposited by escaping gases. This site sits within a broader geothermal valley that serves as a base for hikers tackling the Kerlingarfjöll peaks, which rise above 1400 m. The highland road closes with the first autumn snowfall, making visits a strictly summer affair.
