Anderson Ranch Dam Road Access provides vehicle access to Anderson Ranch Reservoir via Forest Service Road 134, located approximately 21 miles northeast of Mountain Home on Highway 20.

The access point serves as a gateway to the reservoir for boating, fishing, and water recreation, with Spillway Campground nearby offering basic amenities including picnic tables, vault toilets, and campfire rings.

This is a primary access route to the South Fork Boise River area and Anderson Ranch Reservoir for both motorized and non-motorized water activities.