Three Dollar Bridge is a popular walk-wade fishing access site on the Madison River located 39 miles south of Ennis, featuring approximately 100 acres of public land with roughly 2 miles of direct river access.

The site includes a vault toilet and parking for 15-20 vehicles, with easy wading through classic riffle-pool-riffle structure, making it ideal for anglers of all skill levels.

Note that this is walk-wade only access—no boat launching is permitted at this location.