Foss River Falls is a 650-foot (200 m) drop on the West Fork Foss River in the Alpine Lakes Wilderness Area, King County, Washington.
Its sources are at Delta Lake, and the 70-foot (21 m)-wide drop flows year-round.
Then the waters gather and plunge over a 30-foot (9.1 m) drop, and then cascade 150 more feet (46 m) down the gorge.
The upper part of the falls, in total, drops about 450 feet (140 m).
This King County, Washington state location article is a stub.