Site information:

On Bakersfield-Glenville Rd, 6.3 mi SW of Woody

Site was N of the plaque location.  Nothing remains of the site, as far as I know.

35.664464,-118.916019

Plaque information:

State plaque

Plaque text:

Mountain House

One and one-half miles north of this point stood the Mountain House Station on the route of the Butterfield Stage. Operating through present Kern County during 1858-1861, this famous line ran from St. Louis, Missouri to San Francisco until the outbreak of the Civil War.

Plaque placed by California State Park Commission in cooperation with Kern County Historical Society, El Tejon Parlor No. 239 N.D.G.W., and the Kern County Museum. October 13, 1957

Registered 5/22/1957