Boating#Camping#Fishing#River Fishing#Swimming#Tent CampingFishing Access Site#Public Access Site#Recreation Area CampgroundBoat Launch#Handicapped Accessible#Toiletsdbo2026-04-04T17:00:58Twelve Mile Dam is located 11 miles south of Miles City on Highway 59, then 1 mile south on the Tongue River Road, Highway 332.1fwprg72@mt.gov46.2470-105.7500Miles CityMontana Fish, Wildlife & ParksMTPO Box 163059301Twelve Mile Dam is a state fishing access site on the Tongue River of southeast Montana. There is a campground with tent and trailer sites. Facilities are limited to restrooms, no drinking water is available. Handicapped accessible fishing pier. A boat ramp is provided. 7 day stay limit. Existing ADA Level: Easy Accessibility.406-234-0900All YearMiles City37601|http://www.visitmt.com|Y#11|http://www.wintermt.com|#32|http://www.lewisandclark.state.mt.us|#94|http://indiannations.visitmt.com|Twelve Mile DamCUSTERCusterFishing Access Sitehttp://fwp.mt.gov