Little Si (pronounced /saɪ/) is a mountain in the US state of Washington, named after its taller neighbor, Mount Si.

[1] and lies on the western margin of the Cascade Range just east of the town of North Bend.

Little Si is a distinct mountain peak from Mount Si, with a different trailhead and a valley that separates the two peaks.

[3] Little Si is also known for its rock climbing and bouldering.

This King County, Washington state location article is a stub.