Rila is the highest mountain range of Bulgaria, the Balkan Peninsula, and Southeast Europe. It is in southwestern Bulgaria and part of the Rila–Rhodope Massif. It spans a territory of 2,629 km2 with an average elevation of 1487 m.
Lake Peak (2657 m) is the best place to observe all the Seven Rila Lakes, which are a group of lakes of glacial origin. The lakes are located at an altitude of 2100 to 2500 meters above sea level.