Accessible via a well-maintained gravel road just minutes from Big Timber, Big Rock sits within a state fishing access site along a flowing stretch of river. The campground requires a conservation license for overnight stays and operates on a first-come, first-served basis. Campers find approximately five designated sites with rock fire rings, though site availability varies and some spots fill quickly during peak fishing season.
The river runs directly through the camping area, providing immediate water access for fishing, wading, and cooling off during warm days. Two sites sit closest to the water with partial shade, while others are positioned further back but remain within walking distance of the riverbank. Abby M. notes the area stays "super quiet" even with multiple campers present. Wildlife sightings include deer, and visitors occasionally report bear activity, making proper food storage essential.
The single vault toilet receives regular maintenance and restocking. Some sites include picnic tables, though not all are equipped. Cell service remains limited or nonexistent throughout the area. Site conditions can vary significantly, with some reviewers finding well-maintained spots while others encounter litter or pet waste issues depending on recent visitor behavior.
Pack out all trash and arrive with a current Montana conservation license to avoid complications.
RV Road Trip Guides
Location
Public CampgroundBig Rock is located in Montana
Coordinates
45.79200016 N
109.96500018 W
Connectivity
- T-MobileLTESome CoverageVerified by 8 usersLast on 4/3/26
- VerizonLTEGood CoverageVerified by 11 usersLast on 4/3/26
- AT&TLTESome Coverage
Connectivity
- T-MobileLTESome CoverageVerified by 8 usersLast on 4/3/26
- VerizonLTEGood CoverageVerified by 11 usersLast on 4/3/26
- AT&TLTESome Coverage
Access
- Drive-InPark next to your site
- Walk-InPark in a lot, walk to your site.
Site Types
- Tent Sites
- RV Sites
- Standard (Tent/RV)
- Group
- Tent Cabin
Features
For Campers
- ADA Access
- Picnic Table
- Phone Service
- Toilets
- Pets
- Fires
For Vehicles
- Pull-Through Sites
Drive Time
- 1 hr 11 min from Bozeman, MT
- 1 hr 31 min from Billings, MT
- 2 hrs 34 min from Helena, MT
- 3 hrs 1 min from Great Falls, MT
















