south-iceland · Iceland
Nesjavellir
About Nesjavellir
Nesjavellir is a geothermal attraction in Golden Circle. Experience Iceland's powerful geothermal energy up close at this remarkable natural site. The area features hot springs, steam vents and mineral-rich waters that showcase the raw volcanic forces beneath Iceland's surface.
History & Background
Nesjavellir has been a significant site in Iceland's landscape. Throughout the years, this location has played an important role in Icelandic culture and natural history.
Did You Know?
- Iceland generates about 25% of its electricity from geothermal energy
- Geothermal water heats about 90% of all buildings in Iceland
- Iceland has over 600 hot springs and 200+ volcanically heated areas
- The word "geyser" comes from the Icelandic word "geysa" meaning to gush
Tours Near Nesjavellir
Best-rated Iceland experiences — book with free cancellation
Why Visit
See Iceland's geothermal energy system up close — the pipes, turbines and steam that heat Reykjavík's homes are all here, accessible without a tour.
Did You Know?
Nesjavellir's geothermal plant has heated Reykjavík since 1990 and uses 30-million-year-old volcanic heat to provide hot water to 180,000 homes. It is one of the largest geothermal plants in the world.
Legends of Nesjavellir
Nesjavellir has been part of Icelandic folklore for generations. Local tales speak of hidden people (huldufólk) and other supernatural beings who inhabit the area. According to tradition, this place deserves respect and visitors should be mindful of the ancient spirits who call it home.
Hidden Gems Nearby
Steam Patterns
Watch how the steam patterns change with wind direction and temperature throughout the day.
On cold mornings, the steam is most dramatic, creating an otherworldly atmosphere that photographs beautifully.
Mineral Colors
Notice the vivid colors around the geothermal features — yellow sulfur, red iron oxide, and green algae.
These colors represent different minerals deposited by the hot water, creating a natural palette unique to each hot spring.
Bubbling Mud Pots
If present, the bubbling mud pots are mesmerizing to watch — each bubble is a small volcanic event.
The mud is created by acidic steam breaking down the surrounding rock, and each site has a unique bubbling rhythm.
Practical Information
Best Time
Year-round; summer for easier access, winter for dramatic steam
Duration
45 minutes to 1.5 hours
Access
Most geothermal areas are well marked with boardwalks. Stay on marked paths.
Frequently Asked Questions
Is it safe to touch the geothermal water?
Never touch geothermal water unless at a designated bathing area. Water temperatures can exceed 100°C and cause severe burns.
Can I visit geothermal areas year-round?
Yes, most geothermal areas are open year-round. The steam is even more dramatic in cold winter weather.
Do I need to stay on boardwalks?
Yes, always stay on marked paths and boardwalks. The ground near geothermal features can be thin and unstable.
