description Seltún Overview
Seltún is a geothermal area within Krysuvik on Iceland’s Reykjanes Peninsula. It features active mudpots characterized by intense sulfur deposits. The site gained attention in 1999 and 2010 due to powerful hydrothermal bursts. Seltún is of interest to geologists, volcanologists, and anyone studying Iceland's dynamic geological processes and the effects of geothermal activity.
help Seltún FAQ
What causes the colored ground at Seltún?
Hot geothermal fluids and gases deposit sulfur and other minerals that stain the soil yellow, red, orange, green, and white. The same active system produces Seltún's fumaroles, steam vents, and bubbling mud pots.
Is Seltún the same place as Krýsuvík?
Seltún is one of the principal geothermal fields within the wider Krýsuvík area on the Reykjanes Peninsula. Hverahvammur and Hverahlíð are other geothermal sections associated with Krýsuvík.
Can visitors walk directly beside the mud pots at Seltún?
Visitors can view them from a boardwalk and marked paths, but leaving those routes is unsafe because the crust can be thin and extremely hot. A steam explosion in 1999 created a new mud pot, demonstrating that the ground can change suddenly.
How do you reach Seltún from Reykjavík?
The site lies beside Route 42 near Kleifarvatn on the Reykjanes Peninsula. It is roughly a 40-minute drive from Reykjavík in normal conditions, with parking near the boardwalk.
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