1) lake in Iceland 
Kleifarvatn is the largest lake on the Reykjanes peninsula in Iceland, situated in the southern part of the peninsula on the fissure zone of the Mid-Atlantic Ridge. The lake can be reached via a track, and there are two areas with high temperature that can be found not far from it: Seltún/Krýsuvík and another to the east. The lake`s greatest d....