Bâlea Lake is 360 m long, 46,508 m2 in surface and 11.35 m deep, formed in the Bâlea Glacial Caldera in the Făgăraș Mountains and is located at elevation 2034 on the Transfăgărășan road. 1993 is the year in which the lake and 180 hectares around it are declared a nature reserve.