Confluence Trail is a 1. 8-mile single-track trail providing scenic access to the Middle Fork American River near Auburn, with trailheads at Old Foresthill Road and Mammoth Bar Road.

The moderately difficult trail offers views of the river and quarry operations, and is open year-round for hiking, mountain biking (including Class 1 e-bikes), and horseback riding.

Parking is available at both trailheads, with the western trailhead at the confluence area offering roadside parking near Highway 49.