Kleifarvatn

A mysterious volcanic lake near Reykjavik

Kleifarvatn is a stunning volcanic lake located on the Reykjanes Peninsula in southwest Iceland, just a short drive from Reykjavik. Surrounded by dark lava fields and steep cliffs, it offers an eerie, otherworldly landscape that feels untouched by time. This lake is notable not only for its size—being the largest on the peninsula—but also for its mysterious nature: it has no visible rivers flowing into or out of it, and its water levels can fluctuate dramatically due to geothermal activity and underground fissures. Visitors often enjoy scenic walks along its shores, spotting birdlife, or exploring nearby geothermal features like mud pots and hot springs. It’s a peaceful yet hauntingly beautiful spot, perfect for photographers and nature lovers alike.

Free travel guide appExplore more with “Iceland Visually”

Get maps, navigation, favorites, and the full guide experience on your iPhone.

Download on the App Store

More in ICELAND

Iceland

All about Iceland

Mosárjökull

A secluded glacier off the beaten path in southeast Iceland

Gullfoss

Waterfall located in the canyon of the Hvítá river in southwest Iceland

Hellulaug Hot Pool

Seaside pool, right off the road near Flókalundur

Reykhólar waterfall

A Quiet Cascading Stream in the Geothermal Westfjords

Neskaupstathur

Eastern Iceland’s fjord town at the edge of the world

More Attractions spots

Hraunfossar

Lava Falls Pouring from Beneath the Earth

Malarrif Lighthouse

Wind-Swept Beacon on the Edge of Snæfellsjökull National Park

Krafla

Volcanic caldera

Klifbrekku Waterfall

East Iceland’s Remote, Tiered Cascade in Mjóifjörður

Grjótagjá

Cave and hotspring

Reykjanesviti

Reykjanesviti is Icelands oldest lighthouse. It serves as a landfall light for Reykjavík and Keflavík.

View all Attractions