| Keyhole Falls | |
|---|---|
|  | |
| Location | Near the mouth of Salal Creek | 
| Coordinates | 50°40′34.08″N 123°28′17.35″W / 50.6761333°N 123.4714861°W | 
| Type | Punchbowl | 
| Total height | 115 feet (35 m) | 
| Number of drops | 1 | 
| Longest drop | 115 feet (35 m) | 
| Watercourse | Lillooet River | 
Keyhole Falls is the unofficial name for the largest waterfall along the Lillooet River in British Columbia, Canada. The falls are 115 feet (35 m) high and are a punchbowl type of waterfall.
It is called Keyhole Falls because it resembles a giant old-fashioned keyhole.
Keyhole Falls was formed when the Lillooet River was dammed with breccia from a Plinian eruption at Mount Meager about 2350 years ago. The thick breccia soon eroded from water activity, forming Keyhole Falls. There was a massive flood when the water first broke through the breccia. The flood was big enough that small house-sized blocks of breccia were carried away during the flood.
Keyhole Falls was first descended by Spanish Kayaker Aniol Serrasolses.
Coordinates: 50°40′34.08″N 123°28′17.35″W / 50.6761333°N 123.4714861°W