Grensdalur Volcano in Iceland: Eruptions, Area, Caldera, and Tours

Grensdalur Volcano in Iceland

Grensdalur is one of the many volcanoes in Iceland located in the country’s southwest. Grensdalur is a small volcanic system and the oldest one in Hengill. Its peak measures 497 meters, and the volcano was last active during the Pleistocene. The area around Grensdalur is geothermally active and riddled with mud pots, fumaroles, geysers, hot springs, and pools. These geothermal features are popular attractions for tourists and also serve as heat sources for the nearby town of Hveragerdi. 

Where is the Location of Grensdalur Volcano in Iceland?

Grensdalur Volcano is located in southwestern iceland or, more precisely, in the western end of the Reykjanes Peninsula. It is southeast of Hengill and south of the Hrómundartindur volcanic system. The geographic coordinates of Grensdalur are 64.0458° N, 21.1918° W. 

When did Grensdalur Volcano Erupt last time?

The Grensdalur Volcano last erupted sometime during the Pleistocene period. The exact timing of Grensdalur’s last eruption is unknown. Today, the volcano is considered to be inactive. 

What are the Features of Caldera of Grensdalur?

Grensdalur is the oldest volcanic system in the Hengill area. In terms of volcanism, it was last active during the Pleistocene. However, Grensalur is geothermically active. Namely, the caldera of Grensdalur is riddled with landforms like mud pots, hot springs, fumaroles, and geysers. 

What are the scientific expeditions for Grensdalur Volcano?

Scientific expeditions to Grensdalur Volcano in Iceland are popular among volcanologists trying to learn more about the geological nature of volcanoes and the science of volcanic activity. They gain insight by collecting and studying ingenious volcanic rocks. 

What are the Tours for Grensdalur Iceland?

Tours for Iceland include many destinations, including the Grensdalur Volcano. The surrounding Hveragerdi geothermal area is also popular since its unique features are a must-see for visitors. Plus, the volcano is only 45 kilometers away from Reykjavik and easily accessible. 

How to Hike Grensdalur

If hiking Grensdalur it is best to hire an experienced guide or book a guided tour. The hike is not very physically challenging but it does require some level of condition and proper equipment. 

Images of Grensdalur Volcano in Iceland