Nespelem River before the river empties into the Columbia River. This reach of the Columbia River is several miles below Grand Coulee Dam and many miles above Chief Joseph Dam. The impounded Columbia River behind Chief Joseph Dam, into which the Nespelem River flows, is called Rufus Woods Lake. Nespelem River The Nespelem River is a northern tributary of the Columbia River, in the U.S. state of Washington. It is completely contained within Okanogan County and the Colville Indian Reservation. The name "Nespelem" is said to come from the Indian word "nesilim", meaning "flat land". The Nespelem River originates in eastern Okanogan
East Coulee, Alberta a land area of , it had a population density of in 2011. East Coulee, Alberta East Coulee is a community within the Town of Drumheller, Alberta, Canada. It was previously a hamlet within the former Municipal District (MD) of Badlands No. 7 prior to the MD's amalgamation with the former City of Drumheller on January 1, 1998. It is also recognized as a designated place by Statistics Canada. East Coulee is located on Highway 10, approximately southeast of Drumheller's main townsite and northeast of Calgary. It lies in the Red Deer River valley and has an elevation of .