It enters the Howe Sound east of the mouth of the Squamish River.

It flows north for about 5.3 kilometres (3.3 mi) before turning northwest for about 6.7 kilometres (4.2 mi) until it enters the District of Squamish.

After emerging from the mountains and entering Squamish, it turns west for about 4 kilometres (2.5 mi) until it reaches its mouth in the Squamish River.

The Stawamus has no major tributaries.

This article related to a river in British Columbia, Canada is a stub.