Lake Bucura is a glacier cirque lake, situated in the Retezat Mountains, in Romania. It is located south of the main ridge, at the base of Peleaga Peak, and at an altitude of about 2,040 m.
It is the largest glacier lake in Romania, having an area of over 105,000 square metres. It is 550 m in length, 160 m in width on average, and 225 m maximum width, for a perimeter of 1,390 m. The maximum depth is 15.5 m, and the volume 625,000 m³.
Coordinates 45°21'36.901" N 22°52'29.109" E