From the Bay Area: Take Highway 99 to Route 120 East towards Sonora and Yosemite. Take a left turn 13 miles east of Oakdale at Southshore Lake Tulloch. The GateHouse is approximately 4 1/2 miles down Tulloch Road. From Yosemite: Take Route 120 West towards San Francisco and look for Tulloch Road/Southshore and make a right turn. The GateHouse is approximately 4 1/2 miles down Tulloch Road.