Periwee Falls plunges directly into Boundary Lake in the very northeast corner of the state. When the lake is at full pool level, the falls drop 233 feet, but prior to the construction of Boundary Dam, its thought the falls were over 300 feet tall.
- Periwee Falls is the Historical name of this waterfall.
- Known Alternate Names: Pewee Falls
The falls are usually referred to as Pewee Falls, but the historically correct name is Periwee Falls.