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Grænavatn Travel Guide

20 Verified reviews
Natural Feature
Rif, Iceland
Distance From Center
21.2 km
High Season
Family Friendly
Average rating
Number of reviews

Grænavatn, on the Reykjanes Peninsula

Grænavatn is a small lake on the Reykjanes Peninsula, known for its vivid colouration.

Explore this area while on a self drive tour in Iceland.

Photo from Wikimedia, Creative Commons, by G. Mannaerts. No edits made.

The name translates to ‘Green Lake’, and as it suggests, the lake is dyed a seafoam green due to the amount of sulphur in it, as well as its surprising depth of 45 metres (148 ft). The closer to the centre of the feature, the more intense the green. 

Grænavatn is located close to the Krýsuvik geothermal area, the lake Kleifarvatn, and the rock formation Brimketill, making it a natural spot to visit on a tour of Reykjanes.