Hells Canyon National Recreation Area is a United States national recreation area on the borders of the U.S. states of Oregon and Idaho. Managed by the U.S. Forest Service as part of the Wallowa-Whitman National Forest, the recreation area was established by Congress and signed by President Gerald Ford in late 1975 to protect the historic and archaeological values of the Hells Canyon area and the... Wikipedia

Payette Lake is a natural lake in the western United States, located in west central Idaho at McCall. Formed by glacial activity, it is situated in the upper drainage basin of the Payette River, which drains into the Snake River.

Outflow from the lake at is regulated for irrigation purposes by a small dam completed in 1943. The normal maximum lake surface elevation of 4,990 feet (1,520 m)... Wikipedia