Deildartunguhver is characterized by a very high flow rate for a hot spring (180 liters/second). The water emerges at 97 °C. It is the highest-flow hot spring in Europe.
Some of the water is used for heating, being piped 34 kilometers to Borgarnes and 64 kilometers to Akranes.
A fern called the deer fern or hard fern (blechnum spicant) grows near Deildartunguhver. This fern grows nowhere else in Iceland.
We visit Deildartunguhver on the following tours: