The San Joaquin River Gorge SRMA is located at the upper portion of Millerton Lake and is accessed through the town of Auberry, CA. The area is managed by Bureau of Land Management (BLM) with trail heads for the San Joaquin trail. The trail leads through chaparral uplands with mountain lilac, manzanita, mahogany and many shrubs and annual wildflowers. The trails leading from San Joaquin River Gorge SRMA include a 6 mile loop through the northern portion of the recreation area and a 4 mile trail connecting to the San Joaquin River Trail. Interpretive nature trails and cultural information is available. BLM cooperates with the California Parks and Recreation at Millerton Lake to help users appreciate the foothills area of the Sierra Nevada. Access to the lake and river areas provide good shore fishing opportunities.

Site is south of Auberry, California off State Highway 168.