Satellite map of Powder River (Wyoming and Montana)
Map of Powder River (Wyoming and Montana)
Powder River (Apsáalooke: Chakadee Wakpa; Assiniboine: Caȟní wakpá ) is a tributary of the Yellowstone River, approximately 375 miles (604 km) long in northeastern Wyoming and southeastern Montana in the United States.
Latitude: 43° 40' 17.99" N
Longitude: -106° 30' 26.99" W