Vatnshellir cave or the Water Cave is located just off the road about 10 minute drive from the old fishing village Hellnar on the Snæfellsnes peninsula in West Iceland. The cave is about 8000 years old, created in a volcanic eruption nearby. It is about 200 meters long and goes 35 meters below the surface.

Last updated: July 10, 2026

Vatnshellir is the main guided lava cave experience on the south side of Snæfellsnes, inside the Snæfellsjökull landscape.

Quick guide to Vatnshellir

Location Snæfellsnes Peninsula, near Snæfellsjökull National Park
Best for Guided lava cave, family-friendly underground activity and Snaefellsnes route planning
Nearby places Arnarstapi, Hellnar, Snæfellsjökull, Lóndrangar and Djúpalónssandur
Typical visit time About 1 hour for the cave tour, longer for the park route
Best season Year round with tour availability and weather checks
Good to know The cave is visited with a guide; dress warmly and expect stairs and uneven surfaces.
Coordinates 64.7479,-23.8181

What is Vatnshellir?

The cave is an 8000-year-old lava tube and one of the most practical underground stops on the peninsula. It gives travellers a direct lava-cave experience close to Arnarstapi, Hellnar and the national park coast.

Vatnshellir

Vatnshellir is best planned as part of a wider Iceland nature route, not as an isolated stop.

Why visit Vatnshellir?

Vatnshellir is valuable because it converts the Snæfellsnes geology into a bookable, easy-to-understand activity. It works especially well when the day already includes cliffs, lava fields and Snæfellsjökull views.

How to visit Vatnshellir

Book a guided cave tour and build enough time around Arnarstapi, Hellnar, Lóndrangar and Djúpalónssandur. Do not assume all caves on the peninsula are safe or open for independent entry.

Best Vatnshellir and Snaefellsnes cave tours

Vatnshellir has a strong local meet-on-location cave tour, plus full Snaefellsnes day tours from Reykjavik for travellers who want the whole route handled.

Compare Snaefellsnes tours

Places near Vatnshellir

Towns and villages near Vatnshellir

Suggested itinerary ideas

Short Vatnshellir stop

Book the Vatnshellir Lava Cave Tour and add Arnarstapi or Hellnar before continuing through the park.

Full Snaefellsnes day from Reykjavik

Choose Snaefellsnes and Lava Cave Small Group Tour when the cave should be included without self-driving.

South-side national park loop

Combine Vatnshellir with Lóndrangar, Djúpalónssandur, Snæfellsjökull viewpoints and a slower stop at Arnarstapi.

FAQ about Vatnshellir

Is Vatnshellir worth visiting?

Yes, especially if your Snaefellsnes route already includes Arnarstapi, Snæfellsjökull National Park and the south-side lava coast.

Do you need a guide for Vatnshellir?

Yes. Vatnshellir is a guided lava cave experience, and that is the right way to visit it.

What is near Vatnshellir?

Nearby stops include Arnarstapi, Hellnar, Snæfellsjökull, Lóndrangar, Djúpalónssandur and the west-end villages Hellissandur and Rif.

What tours fit Vatnshellir?

These are the strongest tour choices:

  1. Vatnshellir Lava Cave Tour for a short local cave visit.
  2. Snaefellsnes and Lava Cave Small Group Tour if you want the peninsula and cave from Reykjavik.
  3. Snaefellsnes and Kirkjufell Small Group Tour if the cave is one part of a wider peninsula day.

Can you visit Vatnshellir from Reykjavik?

Yes, but it is a long day. A guided Snaefellsnes and Lava Cave tour is easier than self-driving if you want the route handled.

Is Vatnshellir open in winter?

Winter access depends on roads, weather and the specific cave arrangement. Keep the day flexible and check the live tour page when booking a guided cave activity.

How long do you need at Vatnshellir?

A short cave stop can take about an hour, but the surrounding Snaefellsnes route deserves a full day or an overnight if you want Arnarstapi, Kirkjufell and the north side too.

Where should you stay for Vatnshellir?

Arnarstapi and Hellnar are closest on the south side. Olafsvik, Grundarfjordur and Stykkisholmur work better for a slower loop around the peninsula.