Best for
Lush moss + cascades
Multiple waterfalls among moss-covered lava.
Gjáin Waterfall Oasis
A green hollow in Þjórsárdalur valley with multiple cascades through mossy lava formations, nicknamed Iceland's 'Garden of Eden' and used as a Game of Thrones filming location.
Region
South Iceland
Rough road access; slippery moss-covered rocks.
A small lush oasis in Þjórsárdalur valley, sometimes called Iceland's 'Garden of Eden.' Multiple small waterfalls cascade through mossy lava formations. Used as a Game of Thrones filming location (Children of the Forest). Near the Viking farmstead Stöng.
Sources and last reviewed
Last reviewed: 2026-03-03
This page is for trip planning, not emergency guidance. Moss-covered rocks at Gjáin are extremely slippery, so wear sturdy boots and take care near water. Check road conditions before driving.
Pages are reviewed for practical usefulness, source quality, and volatile claims before publication.
Official sources to check
Access
Rough road + walk
Rough road access; short walk to the oasis. Slippery rocks.
Pro tip
Visit Stöng too
Combine with the nearby Viking farmstead for a half-day trip.
What to Expect at Gjáin
- Multiple small waterfalls cascading through lava formations
- Moss covering rocks and terrain, at its greenest in summer
- Slippery surfaces everywhere; sturdy boots essential
Nearby Attractions to Gjáin
- Stöng (reconstructed Viking farmstead)
- Háifoss (Iceland's second-tallest waterfall)
- Þjórsárdalur valley (scenic landscapes)
How to Get to Gjáin
- Located in Þjórsárdalur valley in South Iceland
- Turn off Route 32 onto a gravel road toward Stöng
- Rough road; a capable vehicle is recommended
- Short walk from the parking area to the oasis
Best Time to Visit Gjáin
- June to September for the best access and greenest moss
- Summer has the longest daylight for exploring
- Road may be impassable in winter and early spring
- Weekday visits tend to be less crowded
- Check road conditions before driving; the gravel road can be rough
Planning help
Gjáin FAQs
Quick answers with safety notes where it matters.