Brimstone, also known locally as Brimstone Point, is a small hamlet located within the town of Caledon in the Peel Region of Ontario, Canada. The population was 53 people in the 2006 census.
Brimstone is located in the west side of Caledon. Moreover, it is located within Ward 1. Geographically, the hamlet is located eastly in close proximity to the village of Belfountain, north of Alton and south of Terra Cotta. The elevation is 336 meters above sea level.