Oregon Caves National Monument
From Conservapedia
Oregon Caves National Monument is located at an elevation of 4,000 feet (1,220 meters) on the wooded slopes of the Siskiyou Mountains, part of the coastal mountain range of Oregon and California.
Oregon Caves National Monument offers family focused opportunities to explore a marble cave, visit a National Historic Landmark (the Oregon Caves Chateau), hike trails through ancient forests, and earn a Junior Ranger Badge.