Tectonic action that continues to the present has wrenched the layered rocks into an uplifted arch that geologists call an anticline, which forms the string of foothill peaks now known as Tiger Mountain, Squak Mountain and Cougar Mountain.
Squak Mountain State Park History (parks.wa.gov)A generous land donation and the hard work of community activists has ensured that Squak Mountain State Park will be an enduring piece of wilderness close to the homes of millions of urban residents.