Surtshellir
Surtshellir is a cave located in Hallmundarhraun lava field in West Iceland about 1 hour drive from the town Borgarnes. It is the longest lava tube in Iceland about 1970 meters long and 8-10 meters high. It is possible to explore the cave but make sure to bring appropriate equipment. The cave is mainly composed of layers of magma and basalt and deep inside the cave ice formation, ice candles and columns can be found. The cave forms a complex with another cave called Stefánshellir and together they are the longest cave system in Iceland, about 3500 meters long.
Surtshellir is one of Iceland’s best-known lava caves, located in Hallmundarhraun in West Iceland.
Quick guide to Surtshellir
| Location | West Iceland, Hallmundarhraun lava field |
| Best for | Lava-cave geology, folklore, rugged West Iceland route planning |
| Nearby places | Husafell, Hraunfossar, Barnafoss, Reykholt and Langjokull |
| Typical visit time | Several hours if visited properly |
| Best season | Summer and clear conditions are safest |
| Good to know | Use proper cave safety; darkness, ice, loose rock and navigation can be serious. |
| Coordinates | 64.7850,-20.7300 |
What is Surtshellir?
The cave is part of a long lava-cave system in the lava field north of Borgarfjordur. It is known for its size, outlaw stories and connection with the volcanic landscape around Husafell and Langjokull.
Surtshellir is best planned as part of a wider Iceland nature route, not as an isolated stop.
Why visit Surtshellir?
Surtshellir gives West Iceland a wilder cave story than the more polished visitor stops. It is best for travellers who understand that lava caves require preparation and respect.
How to visit Surtshellir
Do not treat Surtshellir as a casual roadside cave. Bring proper equipment, check local advice and conditions, and choose managed West Iceland activities if you are not prepared for rugged cave terrain.
West Iceland tours near Surtshellir
Surtshellir is more rugged than a typical tour stop, so the strongest booking matches are West Iceland route tours and managed Husafell or Langjokull activities.
A guided Borgarfjordur route that fits the Hallmundarhraun lava cave area well.
The strongest bookable underground activity near Husafell and Langjokull.
A local geothermal add-on for travellers staying near the cave and waterfall area.
A flexible private option for Borgarfjordur, Husafell, waterfalls and lava-country stops.
A straightforward guided lava tunnel experience when guests want a classic cave format.
Places near Surtshellir
Use Surtshellir as part of a connected route rather than a disconnected cave stop.
Towns and villages near Surtshellir
These are the most practical bases and service stops for planning the route.
Suggested itinerary ideas
Hallmundarhraun cave day
Use Surtshellir only with proper preparation, then pair the lava-field theme with Hraunfossar and Barnafoss.
Managed underground day
Choose Into the Glacier from Husafell when visitors want a safer, guided underground experience.
Silver Circle route
Book the Silver Circle West Iceland Tour if the route should combine waterfalls, saga history and Borgarfjordur context.
FAQ about Surtshellir
Is Surtshellir worth visiting?
Yes for travellers who want West Iceland lava-cave context, but plan it carefully. The Hallmundarhraun cave area is more rugged than a simple roadside viewpoint.
Do you need a guide for Surtshellir?
Surtshellir is not the place to improvise. If you are not experienced and properly equipped, choose a guided or managed underground activity such as Into the Glacier instead.
What is near Surtshellir?
Nearby route anchors include Hraunfossar, Barnafoss, Husafell, Reykholt and Langjokull activities.
What tours work near Surtshellir?
Use these as the strongest booking paths:
- Silver Circle West Iceland Tour for the wider Borgarfjordur route.
- Into the Glacier from Husafell for a managed underground glacier experience.
- Private West Iceland Tour for flexible timing around caves, waterfalls and saga sites.
Can you combine Surtshellir with Hraunfossar?
Yes. Hraunfossar and Barnafoss are the natural waterfall pair for this route and make the cave area easier to place in a day plan.
Is Surtshellir safe in winter?
Only with the right plan. Roads, ice, darkness and cave conditions can change quickly, so check conditions and choose guided or managed alternatives if you are unsure.
How long do you need at Surtshellir?
Allow at least a few hours if you are doing the cave area properly. If you are also adding Hraunfossar, Husafell or Langjokull, make it a full West Iceland day.
Where should you stay for Surtshellir?
Borgarnes works for services, Reykholt works for history and Husafell is the most practical base for Langjokull and nearby adventure activities.