Washington's largest county lies on the east slope of the Cascades on the border with Canada. The Cascade Loop passes through Okanogan County via Highway 20 over the mountains and
Highway 97. Highway 97 crosses into Canada near
Oroville. The county seat of Okanogan County is
Okanogan, just south of
Omak. Additional information is available at these pages:
Plan your vacation to the Pacific Northwest with 
