Sulphur Creek is the strongest-flowing creek in the upper Dundas Valley. Its headwaters rise in several springs in a low wetland area between Jerseyville Road and Taylor Road in Ancaster. Along its length there are numerous inflowing tributaries, most of which are fed by one or more springs. Sulphur Creek is a spring-fed cold water system. In all Sulphur Creek is fed by upto 25 springs. One of these is known to have a mineralized, bedrock source, Ancaster’s Sulphur Spring.
The Sulphur Spring Fountain is found just a few meters west of Sulphur Springs Road.
Griffin Falls
Mineral Springs Falls| Subwatershed | Sulphur Creek |
| Watershed | Spencer Creek |