The Kardzhali Reservoir is a large artificial lake located in southeastern Bulgaria. It was created in the 1960s by damming the Arda River and serves multiple purposes, including hydroelectric power generation, irrigation, and flood control. The reservoir is surrounded by picturesque landscapes and is a popular spot for fishing and recreational activities. Covering an area of approximately 30 square kilometers, the Kardzhali Reservoir is one of the largest in Bulgaria. It plays a crucial role in the local ecosystem and supports various wildlife. The reservoir also contributes to the region's economy by attracting tourists and providing water resources for agriculture.