Bureau of Land Management, Oregon.
Oxbow and Brownlee Reservoirs provide boating, fishing, and camping opportunities along the Snake River. Oxbow Reservoir (13 miles long) is accessed from Cambridge, Idaho. Brownlee Reservoir (57 miles long) and be accessed from either Cambridge, on the north, or from Weiser, Idaho from the south. There is limited access in this general area.
Brownlee Reservoir (southern portion) - From Weiser, Idaho follow Olds Ferry Road west from town. The road will follow the Snake River into the upper end of the reservoir.
Brownlee Reservoir (northern portion) and Oxbow Reservoir - Cambridge, Idaho follow State Highway 71 northwest for about 25 miles until you reach the Snake River.