Energy & environment · 14/09/2012Updated: 10/17/2026 · 1 min read

Federal Register Notification of Redesignation of Potential Wilderness as Wilderness, Ross Lake National Recreation Area, North Cascades National Park Service Complex, Washington

The 1988 Washington Parks Wilderness Act redesignated 634,614 acres of North Cascades National Park, Ross Lake National Recreation Area, and Lake Chelan National Recreation Area as the Stephen Mather Wilderness, while also setting aside an additional 5,226 acres for potential wilderness development due to hydroelectric concerns. The Seattle City Light utility retained rights for hydroelectric development within the area.