Payette River - Whitewater

Whitewater

The Payette River is famous for its whitewater. Experts call the North Fork Class V run one of the most challenging river reaches in North America, if not the world. Kayaking on the lower North Fork from Smith's Ferry to Banks is world-class, easily viewed from state highway #55, which closely hugs its bank, primarily on the west side. The lower North Fork narrows and drops 1700 feet (518 m) in the 16 miles (26 km) above Banks, providing nearly endless Class V rapids (see International Scale of River Difficulty). The average gradient is 110 feet (34 m) per mile (21 m/km) with a maximum gradient of 200 ft/mile (38 m/km). The North Fork's flow rate is controlled through the Cascade Dam, completed in 1948, providing relatively warm water from the shallow Cascade Reservoir.

To the east of Banks, the South Fork's Canyon, west of Lowman, is a challenging Class IV run for rafting. Along this trip is a 40-foot (12 m) Class VI waterfall (Big Falls), which is portaged. The North Fork and South Fork merge at Banks to form the Payette River (main), providing a float trip with numerous Class III rapids. The highway on this lower stretch of the river is on the east bank and a scenic railroad, the Thunder Mountain Line, runs above the west side.