North Cascades National Park in northern Washington is a rugged, glacier-filled wilderness known as the “American Alps,” offering dramatic peaks, turquoise lakes and extensive hiking trails, accessible via the scenic Highway 20 also known as North Cascades Highway. The Diablo Lake Overlook is a highly recommended scenic viewpoint located off Highway 20 in the Ross Lake National Recreation Area, part of the North Cascades National Park in Washington state. The Washington State Department of Trans