If you are planning a trip to the area visit Boyden Cavern's LINKS page. From there you can link to area attractions, and lodging, and also to visitors bureau web sites to learn more about the area. DIRECTIONS From Northern California Take Highway 99 south to Fresno, then Highway 180 east into Kings Canyon National Park. Follow Highway 180 to the bottom of the canyon where the road meets the Kings River. The parking lot is just off the road next to the bridge. From the Bay Area Route 1: Take Highway 580 east to interstate 5 south to Highway 152 east to Highway 99 south to Highway 180 east into Kings Canyon National Park. Follow Highway 180 to the bottom of the canyon where the road meets the Kings River. The parking lot is just off the road next to the bridge. Route 2: Take Highway 580 east to Highway 205 east, following the signs to Highway 99 south. Take Highway 99 south to Fresno, then Highway 180 east into Kings Canyon National Park. Follow Highway 180 to the bottom of the canyon where the road meets the Kings River. The parking lot is just off the road next to the bridge. From Southern California Take Highway 99 north to Fresno then Highway 180 east into Kings Canyon National Park. Follow Highway 180 to the bottom of the canyon where the road meets the Kings River. The parking lot is just off the road next to the bridge. Our physical address is: Boyden Cavern 74101 E. Kings Canyon Road, Kings Canyon National Park, CA 93633 USA. Our mailing address is: Boyden Cavern Adventures & Tours LLC Post Office Box 905 Kings Canyon National Park, CA 93633 USA