Access

The entire Monument is closed from two hours after sunset to two hours before sunrise.

PLEASE BE AWARE THAT THE WHITE BLUFFS BOAT LAUNCH IS CLOSED FROM NOVEMBER 1 THROUGH JUNE 30. THIS STRETCH OF THE RIVER IS A SANCTUARY FOR OVER-WINTERING WATERFOWL.

Public Use Regulations (350 KB PDF)

Columbia River Corridor Unit—The river's surface waters are open year-round. The shorelines (1/4 mile from the mean high water mark) are closed, except at designated locations, as are all islands between Vernita Bridge and the Bonneville Power line (river mile 351). Islands below this line are open to bird hunting only during approved state seasons.

Rattlesnake Unit & Fitzner-Eberhardt Arid Lands Ecology Reserve—The Rattlesnake Unit, including the ALE, is closed to general public access. Use is currently limited to approved ecological research and environmental education activities.

Ringold Unit—This area is open to the public year-round.

Saddle Mountain Unit—The Saddle Mountain Unit is open to public use year-round.

Wahluke Unit—The western half of the Wahluke Unit (Saddle Mountain Wildlife Refuge) is currently closed to general public access. Use is limited to approved ecological research and environmental education activities. The eastern half is open to public use year-round.