Full hookups, big rig access up to 50 feet, and a seasonal window running late May through late September make Star Valley Ranch RV Park a functional base in Thayne, Wyoming. Sites run around $82 per night. The park is large, with sites packed closely together, though trailers are staggered to reduce the sense of crowding. Shade trees are present. WiFi is available but has proven unreliable in practice. Salt River Public Access sits just north, and there are campgrounds around Star Valley Ranch for those who want to compare options before booking. This park makes the most sense for RV travelers who prioritize full hookups and don't mind a denser layout.
RV Road Trip Guides
Map & DirectionsStar Valley Ranch RV Park is located in Wyoming near Star Valley Ranch
Directions
When Coming From The South On Highway 89: Take Highway 89 out of Evanston, Wyoming following the map below. When you reach the town of Thayne, proceed approximately 3.5 miles north on 89. Turn east onto Cedar Creek Rd, which is County Road 118, and follow that 2 miles to the resort entrance. When Coming From The North On Highway 89: Leaving the Town of Jackson heading south on Highway 89 and you will come to Alpine. Or if coming from Idaho Falls, take Highway 26 east to Alpine. Once you reach Alpine, continue south on Highway 89 approximately 14.5 miles. Turn east onto Cedar Creek Rd, which is County Road 118, and follow that 2 miles to the resort entrance.
Address
3510 S Muddy String Rd
Thayne, WY 83127
Coordinates
42.96738101572569 N
110.97194073534575 W
Connectivity
T-Mobile5GExcellent Coverage- Verizon5GExcellent CoverageVerified by 14 usersLast on 8/1/26
AT&TLTESome CoverageVerified by 2 usersLast on 8/1/26
Connectivity
- T-Mobile5GExcellent Coverage
- Verizon5GExcellent CoverageVerified by 14 usersLast on 8/1/26
- AT&TLTESome CoverageVerified by 2 usersLast on 8/1/26
Access
Site Types
- Tent Sites
- RV Sites
Features
For Campers
- Picnic Table
- WiFi
- Electric Hookups
For Vehicles
- Sanitary Dump
- Sewer Hookups
- Water Hookups
- Pull-Through Sites
- 50 Amp Hookups
- Big Rig Friendly
Drive Time
- 1 hr 33 min from Idaho Falls, ID
- 2 hrs 3 min from Pocatello, ID
- 2 hrs 25 min from Logan, UT
- 3 hrs from Ogden, UT
