Geography Cave Junction is located on U.S. Route 199 at its junction with Oregon Route 46. It is about southwest of Grants Pass, Oregon, and northeast of Crescent City, California. The city lies in the Illinois Valley, on the northwest slope of the Siskiyou Range, at an elevation of about above MSL. According to the United States Census Bureau, the city has a total area of , of which, is land and is water.
geography cave junction is located on us route 199 at its junction with oregon route 46 it is about southwest of grants pass oregon and northeast of crescent city california the city lies in the illinois valley on the northwest slope of the siskiyou range at an elevation of about above msl according to the united states census bureau the city has a total area of  of which is land and is water