The 'Basalt Column Cathedral' of East Iceland. Famous for its giant hexagonal rock pillars and turquoise glacial water (season dependent).
Story & Legend
Located in the Jökuldalur Valley, this canyon was submerged under a fierce river until 2009. Note: The water is clearest blue in early summer; late summer dam overflow can turn it grey. Once hidden underwater, this basalt wonder was only revealed when the Kárahnjúkar dam reduced the river's flow. It now stands as one of the world's most beautiful displays of basalt columns — a cathedral built by nature, with hexagonal pillars towering over turquoise glacial water.
Geology & Science
The columns were formed by cooling lava contracting and cracking into perfect geometric hexagonal shapes. The river Jökla, which runs through it, gets its stunning turquoise color from glacial silt - but note that in late summer or during overflow, the water can turn grey/brown.
Safety
There are two sides. The west side (with the viewing platform) is easy to access but offers limited views. The east side requires a hike (approx 5km one way) but allows you to walk down into the canyon. Be extremely careful near the water edge; the rocks are slippery and the current is deadly.
Photo Tip
Go to the East side for the classic shot from inside the canyon. Morning light is best to illuminate the basalt columns. Use a polarizer filter to cut the glare on the water and enhance the turquoise color.
Insider Tip
Do not go to the West side (the viewing platform). You must drive to the East side (parking at the Klaustrusel farm area) and hike the trail to actually climb down into the canyon and touch the basalt columns.
Best Time to Visit
July or August. If you visit in spring or after heavy rain, the river turns a muddy grey/brown from glacier melt instead of its famous vivid turquoise blue.
What to Bring
Hiking boots. The trail on the East side can be muddy, and the wet basalt rocks down inside the canyon are extremely slippery.
