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Inside the Volcano: Small-Group Tour and Lava Field Hike

Descend into a dormant volcano on this unique small-group adventure from Reykjavik. Hike across the stunning lava fields of Iceland’s Blue Mountains before lowering into the vast magma chamber of Thrihnukagigur Volcano—last active over 4,000 years ago. Equipped with safety gear, you’ll explore the only accessible volcano interior in the world, witnessing vividly colored rock formations and a massive underground dome. This once-in-a-lifetime 5-hour experience is limited to 18 guests for a more intimate, guided journey into Iceland’s volcanic heart. Book your Thrihnukagigur Volcano tour for an unforgettable Icelandic adventure.

Season
year-round

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Approximate conversions use Frankfurter / ECB reference rates dated 2026-07-24, fetched 25 Jul 2026, 04:50 UTC. Original prices remain the booking source of truth.

  • TourDesk

    Operated by Inside the Volcano

    Inside The Volcano Hiking Tour with Pickup from Reykjavík

    ISK 55,500

    Original provider price

    checked 23h ago

  • Viator

    Inside the Volcano: Small-Group Tour and Lava Field Hike

    ★ 4.7 · 171 reviews

    Free cancellationInstant confirmation
    $545.92

    Original provider price

    ≈ ISK 68,618 converted · Frankfurter / ECB 2026-07-24

    checked less than 1h ago

Prices show when they were last checked. Offers older than 48 hours, or without a check time, are shown as “Check price” so you can confirm the current operator price directly.