Saint Ana Lake is at an altitude of 946 m Lake only supplement their water from rainfall, with no springs. Trophic capacity due to low lake water and lake bottom and emanations pits by the crater walls.
Mohos Marsh is a nature reserve, representing the place of residence of many unique species of plants. Mohos the old lake disappeared, nemairamanand than a swamp and abundant vegetation comprised tail Matthew-of-mind. The disappearance of the lake is due regressive erosion of Lake Veres, pouring it in Olt, as well as filling the earth.
(Translated with Google Translate)