Cougar Mountain Trail Run Series #1 5.1 Mi | 10.8 Mi
Sky Country Trailhead 7077-7181 Clay Pit Rd, Bellevue, WA, United StatesHosted by Seattle Running Club and Northwest Trail Runs, the Cougar Mountain Trail Series supports King County Parks. The Cougar Mountain courses gradually get longer throughout the series. Run through a lush forest of fern-lined single-track trails.