Full Nelson is a machine-built mountain bike trail located in the Squamish area of British Columbia, accessed via the Ring Creek Access Road off the Mamquam Forest Service Road in Garibaldi Highlands.

Riders typically gain elevation along the access road before dropping into the trail, which sits above the related Half Nelson trail on the same slope.

The trail is known for fast, flowy descending with plenty of rollers and route variations that maintain challenge throughout the run. It is managed in partnership with SORCA (Squamish Off-Road Cycling Association) under BC Parks jurisdiction.