Mcallister has 2 fly-fishing trails.
Madison River , Lower - Ennis Lake to Three ForksView Trail Details
Exiting the shallow Ennis Reservoir, the Madison pours into the Bear Trap canyon with enough energy to earn its Class IV whitewater status year-round. ...
Madison River, Upper - Hebgen Lake to Ennis LakeView Trail Details
Upon exiting the park, the Madison River enters the 13-mile Hebgen Lake which offers anglers a shot at the infamous gulpers—large cruising trout ...