Ingólfsfjall

Ingólfsfjall is a 551-metre-high (1,808 ft) tall tuff mountain. It is located in south Iceland, just north of the town of Selfoss and east of the town Hveragerði. Both of these are popular tourist destinations due to their high levels of geothermal activity, allowing for hot springs and greenhouses. Ingólfsfjall, named after the country’s first official settler, Ingólfur Arnarson, is fenced with cliffs in three ways and is very steep. Ingólfsfjall is mainly made of palagonite with lava layers in between and was formed in the middle of the ice age. As a tuff mountain, Ingólfsfjall is composed of rocks created by volcanic ash from a vent during a volcanic eruption that condensed together. It is no longer considered volcanically active.