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Follow Hwy 199 to Cave Junction. Turn south on Hwy 46 (a gas station is on the corner) and follow this road for 20 miles to the Monument.
The last 10 miles are narrow, steep and winding. Please drive no faster than 10 miles per hour while on the Monument.
Did You Know?
The stream that comes out of the entrance of the cave is a tributary to a watershed that empties into the Pacific Ocean. There are no human-made obstructions that would prevent salmon migration, which makes this the only cave in the National Park Service with an unobstructed link to the ocean.
