Deildartunguhver

hot spring, Iceland

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June 25, 2026

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Deildartunguhver is a prominent hot spring located in southwestern Iceland. It is recognized as Europe's most powerful hot spring, with a flow rate of approximately 180 liters per second. The water emerges at a temperature of 97 °C (207 °F). This geothermal activity is a result of Iceland's unique geological position, where volcanic and tectonic activity concentrates Earth's heat near the surface. The hot water from such springs is utilized for various purposes, including heating greenhouses for agriculture, as seen in the nearby village of Hveragerdi. Geothermal energy is a significant resource in Iceland, harnessed for power generation and heating.123

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Iceland
Relief
The largest, Deildartunguhver, emits nearly 50 gallons (190 litres) of boiling water per second. The total power output of the Torfajökull (Torfa Glacier) area, the largest of the 19 high-temperature solfatara regions, is estimated to equal about 1,000 megawatts.
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The largest, Deildartunguhver, emits nearly 50 gallons (190 litres) of boiling water per second. The total power output of the Torfajökull (Torfa Glacier) area, the largest of the 19 high-temperature solfatara regions, is estimated to equal about 1,000 megawatts.
Read More