Gunnuhver
Iceland
Gunnuhver (Icelandic: Gunnuhver) is an active geothermal hot spring and a mud pool with fumaroles on the southwestern tip of the Reykjanes Peninsula in Iceland. It lies within the Reykjanes UNESCO Global Geopark and close to the Reykjanesviti lighthouse. The site has been the focus of safety measures and occasional closures due to changing geothermal activity.
Data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).