The Sulphide and Crystal Glaciers are the largest masses of ice on Mount Shuksan and they both produce melt that fuels Sulphide Creek. On any given day in the summer no less than half a dozen waterfalls can be seen streaming down the southeast side of the mountain into a secluded bowl-shaped basin which harbors difficult to see and nearly impossible to reach Sulphide Lake. The falls range from 300 to 1000 feet high and can be seen for some distance from the surrounding ridges but can't be approached closely due to the ruggedly steep terrain. Because the flow of the water is regulated by the rate the glaciers melt, this series of waterfalls is best seen on a hot day mid summer.
- Sulphide Basin Falls is the Unofficial name of this waterfall.
Sulphide Basin Falls is located east of the summit of Mount Shuksan in North Cascades National Park. The falls are best seen from either the Shannon Creek climbers trail, used to access the summit of Shuksan, or from the ridge dividing Sulphide Creek and Shuksan Lake. Both viewpoints require travel across dangerously steep terrain and aren't recommended for most. Part of the falls can also be seen from the Blum Lakes area across the Baker River valley.