Corral Hollow
United States
Corral Hollow, is a 10 miles (16 km) long canyon in a middle reach of Corral Hollow Creek, which drains the eastern flank of the Diablo Range. The canyon's western half is in Alameda County, and its eastern half is in San Joaquin County. Once it is joined by its Elk Ravine tributary at elevation 400 feet (120 m), the canyon ends and Corral Hollow Creek's continue eastward ultimately to the San Joaquin River watershed.
Data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).