Golf course Haukadalsvollur whas opend in June 2007. The golf course is located near most famous and former largest spouting hot spring of the world probably was created during an extended earthquake period at the end of the 13th century. The ancient silica deposits cover a much larger area, close to 200 thousand square meters, which confirms the existence of a much larger hot spring area in the past. There are dozens of hot springs within the present active area and some of them spout as Geysir did. The most prominent one is Strokkur (The Churn), which spouts at intervals of 3-5 minutes. The hot spring area is fenced off and was declared inviolate in 1953.