The Lake Chelan-Sawtooth Wilderness is a 153,057acre protected wilderness area located within the Okanogan and Wenatchee national forests in Washington State. The wilderness borders Lake Chelan National Recreation Area and North Cascades National Park and the Stephen Mather Wilderness to the northwest. It was designated with the passage of the Washington Wilderness Act of 1984, on lands occupied by the old Chelan Division of the Washington Forest Reserve, now part of both the Okanogan and Wenatchee national forests.
