This 717 foot high concrete structure is the highest straight axis gravity dam in North America. The dam backs up water from the North Fork of the Clearwater River forming a 54-mile lake at full pool. Flood control, power production, and recreation . . . — — Map (db m159495) HM
This rock, moved here from the river's edge, was used long ago by Indian fishermen as a water flow gauge. When the water level reached the upper mark carved on the side of the rock, they began building small dams of sticks and stones, called "fish . . . — — Map (db m159496) HM