The Konar originates near Sultana village on the Hazaribagh-Chatra Road. Thereafter, the Konar with its tributary Siwani drains a greater portion of the Hazaribagh plateau, and then descending through the barren wastes of scrub and jungle passes Gomia to receive the waters of the Bokaro River, shortly before it joins the Damodar River near Jaridih Bazar in Bokaro district.
Konar Dam is 4,535 metres (14,879 ft) long and 48.77 metres (160.0 ft) high. The reservoir covers an area of 27.92 square kilometres (10.78 sq mi). The Konar earth and concrete dam has a catchment area of 997 square kilometres (385 sq mi).