Rhodope Mountains

The Rhodopes are a mountain range in Southeastern Europe, with over 83% of its area in southern Bulgaria and the remainder in Greece. Golyam Perelik is its highest peak at, The mountain range gives its name to the terrestrial ecoregion Rodope montane mixed forests that belongs in the Temperate broadleaf and mixed forests Biome and the Palearctic ecozone. The region is particularly notable for its karst areas with their deep river gorges, large caves and specific sculptured forms, such as the Trigrad Gorge.

A significant part of Bulgaria's hydropower resources are located in the western areas of the range. There are a number of hydro-cascades and dams used for electricity production, irrigation and as tourist destinations. In Greece there are also the HPPs of Thisavros and Platanovrysi.