Enter the natural crystal-blue ice caves that form each winter inside Vatnajökull glacier. The caves are a mesmerising deep blue created by compressed ancient ice, and each year's formations are completely unique. Tours run from November to March.
Ice cave exploration takes visitors inside natural crystal-blue caves that form each winter beneath the Vatnajökull glacier in Southeast Iceland, near Jökulsárlón glacier lagoon and Skaftafell. The tour requires no climbing or caving experience; it suits most fitness levels, though walking across uneven ice and glacial moraine calls for reasonable mobility, and young children may be restricted on some departures. Helmets and crampons are supplied by the operator; participants should bring warm waterproof clothing, gloves, and sturdy boots, since the caves sit at a constant near-freezing temperature. Guides are trained to assess ice stability and monitor cave conditions daily, since the caves reform and shift each season as meltwater and pressure reshape the ice; groups travel in a convoy, often by super jeep, from a meeting point near Jökulsárlón to the glacier margin. A safety briefing before entry covers helmet use, safe footing near the cave mouth, and the evacuation route back to the surface, and departures are cancelled outright if a cave is judged structurally unsafe. The season runs from November to March only, when the ice is cold and stable enough to be safe to enter; caves are inaccessible in summer when meltwater weakens the structure. Because the caves are different every year, visitors are shown whichever formation the guiding company has surveyed as safe that winter, ranging from cathedral-like chambers to narrow crystalline tunnels lit blue by compressed ancient ice.
| Price | $80-150 |
|---|---|
| Difficulty | easy to moderate |
| Season | November to March |
Activity facts
- Where
- Vatnajökull glacier, near Jökulsárlón and Skaftafell, Southeast Iceland
Weather through the year in Iceland
Best time Shoulder Worth avoiding
Average daytime temperature in °C. Figures are for Iceland.
Highlights
- Entry into a natural ice cave formed inside Vatnajökull glacier
- Deep-blue light effect from centuries-compressed glacial ice
- Guided super jeep transfer across glacial moraine
- Close views of Jökulsárlón glacier lagoon en route
Tips for visiting
- Book well ahead for the November to March season, as availability is limited
- Dress in warm waterproof layers since caves sit near freezing year-round
- Departures can be cancelled at short notice if a cave is deemed unsafe
- Combine with a same-day visit to Jökulsárlón glacier lagoon and Diamond Beach
When to visit
Visit in January or February, mid-season, when ice formations tend to be at their most stable and developed.
Accessibility
The uneven ice and moraine terrain make this tour unsuitable for wheelchair users or those with significant mobility limitations.
Frequently asked questions
When can visitors enter the ice caves?
Only from November to March, when the ice is stable enough to be safe; caves are closed the rest of the year.
Is caving experience needed?
No, the tour requires no prior experience; helmets and crampons are provided and guides lead the route.
How cold is it inside the cave?
Temperatures sit near freezing year-round, so warm waterproof clothing is essential.
Can tours be cancelled?
Yes, if daily safety checks find a cave unstable, the operator reroutes to another cave or cancels the departure.