The geothermal park Hverasvæðið, in the centre of town, has mud pots and steaming pools where visitors can dip their feet (but no more). Groups of 15 or more can book ahead for a guided walk (850kr per person) to learn about the area’s unique geology and greenhouse power. There's also a small cafe serving tea, coffee and geothermally baked bread.
Geothermal Park
Top choice in The South