[2] SH-71 begins on a bridge crossing the Snake River at the Oregon–Idaho border in Adams County, just downstream from the Brownlee Dam.

(The road continues north into Baker County in Oregan, and along the west bank of the river, as Hells Canyon Road, heading toward the Hells Canyon National Recreation Area, Oregon Route 86, and the city of Halfway.)

[2] Turning southerly, SH-71 heads away from the reservoir and river, initially running along east bank of Brownlee Creek for about 3.2 miles (5.1 km).

Beyond Camp Creek, SH-71 heads east through farmland for just over one-half mile (0.80 km) to enter the city of Cambridge and turn southeast to run along West Hopper Avenue.

(US 95 heads north toward Council, New Meadows, and Lewiston; and south through Midvale and Weiser, and then on toward Winnemucca, Nevada.