The Chepino Valley (Bulgarian: Чепинска котловина, Chepinska kotlovina) or Chepino (Чепино) is the largest valley in the Rhodope Mountains in southern Bulgaria. It is situated along the course of the Chepino River near the Batak Mountain in the northwestern part of the Rhodopes. Located at around 750 m above sea level, it is between 4 and 7 km wide and 18 km long. The bottom of the Chepino Valley is comparatively flat, although hills can also be met.