Seattle City Light - Boundary Dam
The Boundary Hydroelectric Project, located on the Pend Oreille River in Northeastern Washington, supplies more than one-third of Seattle City Light's power. Discover the Boundary Hydroelectric Project nestled in the foothills of the Selkirk Mountains and positioned along the banks of the scenic Pend Oreille (pronounced "pond-ah-ray") River.
For a behind-the-scenes look at how Seattle's power is generated; visit the Boundary Hydroelectric Project, located just one mile south of the Canadian border. Boundary Dam's 32 foot thick base arches between two massive rock cliffs.
Free guided group tours are available Memorial Day weekend through Labor Day weekend. Reservations are not required, but groups of 10 or more should call in advance. Contact (509) 446-3083, and press '9' for more information or press ext. #3213 to schedule a tour.