South Fork Tolt Reservoir is a lake in King County, Washington. Its current pool elevation is about 1743 ft (USGS gauge 12147900, 2026-08-11 16:00). We never estimate missing readings — a “—” means no current source.
Full conditions, things to do, and where to stay, eat, and rent on the South Fork Tolt Reservoir guide. More: boat rentals · cabins & rentals · fishing · things to do.