The Snake River runs through Hells Canyon on the border of which two US states?
Hells Canyon National Recreation Area Hells Canyon National Recreation Area Hells Canyon National Recreation Area is a United States National Recreation Area located on the borders of the U.S. states of Oregon and Idaho. The recreation area, which is managed by the United States Forest Service as part of the Wallowa-Whitman National Forest, was established by U.S. Congress in 1975 to protect the historic and archaeological values of the Hells Canyon area and the area of the Snake River between Hells Canyon Dam and the Oregon-Washington border. Roughly of the recreation area are designated the Hells Canyon Wilderness. There are nearly of hiking trails in
Hells Canyon Dam runs. Project cost was estimated at $342,076,000. The high dam project was not pursued. Hells Canyon Dam Hells Canyon Dam is a concrete gravity dam on the Snake River (river mile 247) in Hells Canyon on the Idaho-Oregon border. The dam impounds the Snake River in Hells Canyon Reservoir; its spillway elevation is above sea level. It is the third and final hydroelectric dam of the Hells Canyon Project, which includes Brownlee Dam (1959) and Oxbow Dam (1961), all built and operated by Idaho Power Company. The Hells Canyon Complex on the Snake River is the largest privately owned hydroelectric