Lake Roosevelt contains a large section of the upper Columbia River and a record of continuous human occupation dating back more than 9,000 years.
NPS
Soldier, Settlers and Indians
Did You Know?
A common rumor at Lake Roosevelt is that the National Park Service controls the lake level. This is not true. The lake level is controlled by Bureau of Reclamation computers that optimize lake levels for only five things: flood control, power production, irrigation, dam repairs, and salmon runs.