Thornton Lakes

Thornton Lakes are located in North [Cascades National Park], in the U. S. state of Washington. These paternoster lakes consist of three lakes located southeast of Mount Triumph. Thornton Lakes can be accessed on foot from a trailhead in Ross Lake National [Recreation Area]. The hike of includes a altitude gain and a descent to Lower Thornton Lake. Two other lakes lie above the first one, unofficially named Middle and Upper Thornton Lakes. A designated backcountry camping zone is located at Lower Thornton Lake.