Kusmar is a small settlement in Giridih District of Jharkhand. It lies close to Leda and is easily accessible from Giridih. The nearby places are Marakdiha, Nagabad, Barki Saria, Chachgara and Kowar. The road connecting Telodih and Kapila passes nearby.
Kusmar is easily accessible by local buses and taxies from Giridih and Birni. Giridih Railway Station is the nearest major railway station. Ranchi Airport serves this area.