Ebbetts Pass, named after John Ebbetts, is a high mountain pass through the Sierra Nevada range in Alpine County, California. Ebbetts is the eastern of two passes in the area traversed by State Route 4. The western pass is the Pacific Grade Summit. The pass is registered as a California Historical Landmark. The Pacific Crest Trail, a 2,650-mile long Nation…Ebbetts Pass, named after John Ebbetts, is a high mountain pass through the Sierra Nevada range in Alpine County, California. Ebbetts is the eastern of two passes in the area traversed by State Route 4. The western pass is the Pacific Grade Summit. The pass is registered as a California Historical Landmark. The Pacific Crest Trail, a 2,650-mile long National Scenic Trail crosses State Route 4 at Ebbetts Pass.