Location
Located on Lake Roosevelt on the Columbia River, this National Park Service boat launch is north of the town of Wilbur in Douglas County.

The pumpout is located at:​

Latitude: 47° 54' 34.11"
Longitude: 118° 47' 5.25"

Pumpout Facility Information

• Hansen Harbor is a public marina 
• Barge mounted hand operated stationary pumpout and Porta-Potty dump station
• Open 24 hours a day during the summer only
• Access is limited to vessels with a length of no more than 30 feet