The Lake has a surface of 358 km2, it has an oval shape, with a regolar coastline. The beautiful and picturesque peninsula of Lin stretched into the lake. Because of its geographical position and hydrological condition, the lake is famous for its clear water lucidity up to 16m. Lakes level is very constant with vibration reaching up to 20-40cm.
The lake coast lyes from the picturesque village of Tushemisht to Lin, the coastline being 88km long. The lake is 695 m above the sea level. It has a tectonic origin and average depth is 145m. Its max depth reaches up to 289m. The water basin surface is 1042km2.
Fauna is rich and diverse, including the rabbit, fox, wolf, wild cat, brown bear, weasel, badger, wild pig and wild goat. Among fowls, we can mention hawk, wild turkey and the mountain grouse.