near the top of the stage road's Devil's Slide. To the south of the old stage road is Sage Ranch Park and the Santa Susana Field Laboratory. Immediately to the north of Route 118 at the pass top is Rocky Peak Park, a part of the Rim of the Valley Trail Corridor. The old wagon road and rocky hill environs are part of the Santa Susana Pass State Historic Park, for public exploration. The Southern Pacific Railroad began construction of three railroad tunnels through the pass in 1900 and opened the route in 1904. The railroad built the Santa Susana Depot in Rancho Simi on Los Angeles Avenue at Tapo Street in 1903. See also Bell Moving Picture Ranch – Bell Location Ranch Burro Flats Painted Cave Corriganville Movie Ranch History of the San Fernando Valley Iverson Movie Ranch Old Santa Susana Stage Road Santa Susana Pass State Historic Park Santa Susana Tunnel Spahn Movie Ranch References External links California State Parks Dept. – Santa Susana Pass State Historic Park LAMountains.com – Santa Susana Pass State Historic Park LAMountains.com – Sage Ranch Park LAMountains.com – Corriganville Park LAMountains.com – Rocky Peak Park Iverson Movie Ranch: History, vintage Photos. Corriganville Regional Park. Santa Susana Mountains Simi Hills California Historical Landmarks California State Historic Parks Geography of Simi Valley, California Historic trails and roads in California History of Simi Valley, California History of the San Fernando Valley Landforms of Los Angeles County, California Landforms of Ventura County, California Landmarks in California Los Angeles Historic-Cultural Monuments Mountain passes of California Native American trails in the United States Parks in Los Angeles San Fernando Valley Trails and roads in the American Old West Native American history of California