TrailScout / coverage / Wyoming
Best-signal federal campgrounds in Wyoming
144 federal campgrounds, showing mobile coverage across all carriers. 36 reach at least one carrier on-site, 11 have 5G-fast on at least one carrier, 106 have showers.
On-site signal by carrier: T-Mobile 14 · Verizon 26 · AT&T 29 · Dish/Boost 0
Coverage is each carrier's own FCC filing — a comprehensive baseline (every site, every carrier), but carrier-filed and often optimistic. Treat it as a screen, not a promise: real signal can be worse, so confirm before you rely on it. Facility-level, refreshed quarterly.
| Campground | Agency / area | Sites | Max rig | Amenities | T-Mobile | Verizon | AT&T | Dish/Boost |
|---|---|---|---|---|---|---|---|---|
| Vedauwoo Campground (WY) | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 49 | — | 🚰 water hookup ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | 5G fast | 5G fast | 5G fast | — |
| Hidden Valley Group Site | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | 5G fast | LTE | 5G fast | — |
| REUTER CAMPGROUND | USDA Forest Service · Black Hills National Forest | 13 | 45 ft | 💧 drinking water | LTE | 5G fast | 5G fast | — |
| Vedauwoo Gazebo | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | 5G fast | LTE | 5G fast | — |
| Vedauwoo Tent Campground (WY) | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 20 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | 5G fast | LTE | 5G fast | — |
| Gros Ventre Campground | National Park Service · Grand Teton National Park | 322 | 51 ft | 🔌 50A ♻️ dump (nearby) 🚿 showers 💧 drinking water | 5G fast | LTE | LTE | — |
| Esterbrook Campground | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 12 | 51 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | 5G basic | LTE* | 5G fast | — |
| Tie City Campground (WY) | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 18 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | LTE | LTE* | 5G fast | — |
| TRAIL CREEK | USDA Forest Service · Caribou-Targhee National Forest | 10 | 40 ft | 💧 drinking water | 5G fast | — | LTE | — |
| Mammoth Campground (Yellowstone) | National Park Service · Yellowstone National Park | 87 | 33 ft | 🚿 showers 💧 drinking water | — | 5G fast | LTE* | — |
| Yellow Pine Campground (WY) | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 19 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | 5G basic* | — | 5G fast | — |
| Jenny Lake Campground | National Park Service · Grand Teton National Park | 61 | 14 ft | ♻️ dump (nearby) 🚿 showers 💧 drinking water | 5G basic | LTE | LTE | — |
| SANDY BEACH PICNIC AREA | USDA Forest Service · Bridger-Teton National Forest | 1 | — | 🚿 showers (nearby) 💧 drinking water (nearby) | 5G basic | LTE | LTE | — |
| BRUSH CREEK WORK CENTER BARRACK | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | — | 🚽 sewer 🚰 water hookup ♻️ dump (nearby) 🚿 showers 💧 drinking water (nearby) | 5G basic | — | LTE | — |
| Blackhall Lookout | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | LTE | LTE | LTE | — |
| BUCKBOARD CROSSING | USDA Forest Service · Ashley National Forest | 59 | 45 ft | 🔌 50A ♻️ dump 🚿 showers 💧 drinking water | LTE | — | LTE | — |
| CIRCLE PARK CAMPGROUND | USDA Forest Service · Bighorn National Forest | 10 | 50 ft | ♻️ dump 🚿 showers (nearby) 💧 drinking water | — | LTE | LTE | — |
| Colter Bay Campground | National Park Service · Grand Teton National Park | 360 | 50 ft | 🔌 50A ♻️ dump 🚿 showers 💧 drinking water | — | LTE | LTE | — |
| Colter Bay Marina End Ties | National Park Service · Grand Teton National Park | 6 | — | 🚰 water hookup ♻️ dump (nearby) 🚿 showers 💧 drinking water (nearby) | — | LTE | LTE | — |
| Colter Bay RV Park | National Park Service · Grand Teton National Park | 112 | 45 ft | 🔌 50A 🚽 sewer 🚰 water hookup ♻️ dump (nearby) 🚿 showers 💧 drinking water | — | LTE | LTE | — |
| Colter Bay Tent Village | National Park Service · Grand Teton National Park | 66 | — | ♻️ dump (nearby) 🚿 showers 💧 drinking water | — | LTE | LTE | — |
| FREMONT LAKE | USDA Forest Service · Bridger-Teton National Forest | 52 | — | 🚰 water hookup 🚿 showers (nearby) 💧 drinking water (nearby) | LTE* | LTE | LTE | — |
| Headwaters Campground at Flagg Ranch | National Park Service · Grand Teton National Park | 171 | 45 ft | 🔌 50A 🚽 sewer 🚰 water hookup ♻️ dump (nearby) 🚿 showers 💧 drinking water | — | LTE | LTE | — |
| Lizard Creek Campground | National Park Service · Grand Teton National Park | 61 | 25 ft | ♻️ dump (nearby) 🚿 showers 💧 drinking water | — | LTE | LTE | — |
| Signal Mountain Campground | National Park Service · Grand Teton National Park | 81 | 30 ft | 🔌 50A 🚰 water hookup ♻️ dump 🚿 showers 💧 drinking water | — | LTE | LTE | — |
| Slough Creek Campground | National Park Service · Yellowstone National Park | 17 | 60 ft | 🚿 showers 💧 drinking water | — | LTE | LTE | — |
| ALLRED FLATS GROUP PICNIC SITE | USDA Forest Service · Bridger-Teton National Forest | 2 | — | 🚿 showers (nearby) 💧 drinking water | — | — | LTE | — |
| LITTLE COTTONWOOD GROUP | USDA Forest Service · Bridger-Teton National Forest | 2 | 20 ft | 🚿 showers (nearby) 💧 drinking water | — | LTE | LTE* | — |
| Meeks Cabin Campground | USDA Forest Service · Uinta-Wasatch-Cache National Forest | 26 | 65 ft | — | — | — | LTE | — |
| New Fork Lake Campground | USDA Forest Service · Bridger-Teton National Forest | 16 | — | 🚿 showers (nearby) 💧 drinking water (nearby) | — | LTE | — | — |
| REUNION FLAT | USDA Forest Service · Caribou-Targhee National Forest | 8 | 40 ft | 💧 drinking water | 5G fast* | LTE | — | — |
| RYAN PARK | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 48 | 99 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | — | LTE | — |
| SPRUCE MTN FIRE LOOKOUT TOWER | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | 60 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | — | LTE* | LTE | — |
| TETON CANYON | USDA Forest Service · Caribou-Targhee National Forest | 27 | 99 ft | 💧 drinking water | 5G fast* | LTE | — | — |
| TIE HACK | USDA Forest Service · Bighorn National Forest | 20 | 45 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | LTE | — | — |
| Tower Fall Campground | National Park Service · Yellowstone National Park | 33 | 40 ft | 🚿 showers 💧 drinking water | — | LTE | — | — |
| BALD MOUNTAIN CAMPGROUND | USDA Forest Service · Bighorn National Forest | 15 | 80 ft | ♻️ dump 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| BEAR GULCH | USDA Forest Service · Black Hills National Forest | 1 | 40 ft | 💧 drinking water | — | — | — | — |
| Bear River Campground (Uinta-Wasatch-Cache National Forest, UT) | USDA Forest Service · Uinta-Wasatch-Cache National Forest | 5 | 20 ft | — | — | — | — | — |
| Beaver View Campground | USDA Forest Service · Uinta-Wasatch-Cache National Forest | 19 | 45 ft | — | — | — | — | — |
| BIG GAME CAMPGROUND | USDA Forest Service · Shoshone National Forest | 14 | 120 ft | 💧 drinking water | — | — | — | — |
| Big Sandy Campground | USDA Forest Service · Bridger-Teton National Forest | 9 | — | 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | — | — |
| Bismark Lake | USDA Forest Service · Black Hills National Forest | 24 | 83 ft | 🚽 sewer 🚰 water hookup 💧 drinking water | — | — | — | — |
| BOTTLE CREEK GROUP PICNIC SITE | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | 36 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | LTE* | — | — |
| Boulder Lake Campground | USDA Forest Service · Bridger-Teton National Forest | 16 | — | 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | — | — |
| BOULDER PARK CAMPGROUND | USDA Forest Service · Bighorn National Forest | 32 | 60 ft | ♻️ dump 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| Boxelder Forks Campground | USDA Forest Service · Black Hills National Forest | 14 | 60 ft | 💧 drinking water (nearby) | — | — | — | — |
| Brooklyn Lake Campground | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 28 | 99 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | — | LTE* | 5G basic* | — |
| Brush Creek Pavilion | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | LTE* | — |
| BURGESS JUNCTION VISITOR CENTER | USDA Forest Service · Bighorn National Forest | 1 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | — | — |
| Campbell Creek Campground | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 6 | 41 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| CAZIER CABIN | USDA Forest Service · Bridger-Teton National Forest | 2 | — | 🚿 showers 💧 drinking water | — | — | — | — |
| China Meadows Campground | USDA Forest Service · Uinta-Wasatch-Cache National Forest | 10 | 25 ft | — | — | — | — | — |
| China Meadows Trailhead Campground | USDA Forest Service · Uinta-Wasatch-Cache National Forest | 17 | 12 ft | — | — | — | — | — |
| CLEARWATER CAMPGROUND | USDA Forest Service · Shoshone National Forest | 12 | 30 ft | 💧 drinking water | — | — | — | — |
| COMANCHE PARK | USDA Forest Service · Black Hills National Forest | 35 | 71 ft | 💧 drinking water | — | — | — | — |
| COTTONWOOD GROUP CAMPSITE | USDA Forest Service · Bridger-Teton National Forest | 2 | — | 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| COTTONWOOD GROUP PICNIC SITE | USDA Forest Service · Bridger-Teton National Forest | 2 | — | 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| Curtis Gulch Campground | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 6 | 55 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| Dalton Lake Campground | USDA Forest Service · Black Hills National Forest | 12 | 55 ft | 💧 drinking water (nearby) | — | — | — | — |
| DEAD SWEDE | USDA Forest Service · Bighorn National Forest | 21 | 60 ft | ♻️ dump (nearby) 🚿 showers 💧 drinking water | — | — | — | — |
| Deadhorse Trailhead Campground | USDA Forest Service · Uinta-Wasatch-Cache National Forest | 5 | 30 ft | — | — | LTE* | LTE* | — |
| DEER CREEK CABIN (WY) | USDA Forest Service · Bridger-Teton National Forest | 2 | — | 🚿 showers 💧 drinking water | — | — | — | — |
| DOYLE CREEK CAMPGROUND | USDA Forest Service · Bighorn National Forest | 19 | 70 ft | ♻️ dump 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| Dry Lake Campground (CO) | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 22 | 92 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | — | — |
| DUTCHMAN | USDA Forest Service · Black Hills National Forest | 45 | 99 ft | 💧 drinking water | — | — | — | — |
| East Fork Bear River Campground (Uinta-Wasatch-Cache National Forest, UT) | USDA Forest Service · Uinta-Wasatch-Cache National Forest | 8 | 25 ft | — | — | — | — | — |
| FIREHOLE CANYON CAMPGROUND | USDA Forest Service · Ashley National Forest | 37 | 35 ft | ♻️ dump 🚿 showers 💧 drinking water | — | — | — | — |
| French Creek Campground (WY) | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 11 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | — | — |
| Friend Park Campground | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 11 | 30 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| Green River Lake Lodge | USDA Forest Service · Bridger-Teton National Forest | 1 | 20 ft | 🚿 showers 💧 drinking water (nearby) | — | — | — | — |
| Green River Lakes - Bridger-Teton NF (WY) | USDA Forest Service · Bridger-Teton National Forest | 42 | 30 ft | 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| Grizzly Bear Campground | USDA Forest Service · Black Hills National Forest | 20 | 54 ft | 🚽 sewer 🚰 water hookup 💧 drinking water | — | — | — | — |
| HALF MOON LAKE CAMPGROUND | USDA Forest Service · Bridger-Teton National Forest | 18 | — | 🚿 showers (nearby) 💧 drinking water | — | 5G basic* | LTE* | — |
| HETTINGER GROUP AREA | USDA Forest Service · Bighorn National Forest | 1 | 50 ft | ♻️ dump 🚿 showers (nearby) 💧 drinking water | — | LTE* | — | — |
| Hinman Campground (CO) | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 13 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | — | — |
| HOBACK GUARD STATION | USDA Forest Service · Bridger-Teton National Forest | 2 | — | 🔌 electric 🚿 showers 💧 drinking water | — | LTE* | LTE* | — |
| HOG PARK CAMPGROUND | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 50 | 142 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| Hoop Lake Campground | USDA Forest Service · Uinta-Wasatch-Cache National Forest | 46 | — | — | — | — | — | — |
| Hoop Lake Trailhead Campground | USDA Forest Service · Uinta-Wasatch-Cache National Forest | 10 | 25 ft | — | — | — | — | — |
| Hunter Campground | USDA Forest Service · Bighorn National Forest | 9 | 40 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | LTE* | LTE* | 5G fast* | — |
| HUNTER PEAK | USDA Forest Service · Shoshone National Forest | 8 | 56 ft | 💧 drinking water (nearby) | — | — | — | — |
| Indian Creek Campground (WY) | National Park Service · Yellowstone National Park | 73 | 49 ft | 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | — | — |
| IRON CREEK HORSE CAMP | USDA Forest Service · Black Hills National Forest | 10 | 50 ft | 💧 drinking water | — | — | — | — |
| ISLAND PARK CAMPGROUND | USDA Forest Service · Bighorn National Forest | 10 | 75 ft | ♻️ dump 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| JACK CREEK CREW QUARTERS | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | 10 ft | ♻️ dump (nearby) 🚿 showers 💧 drinking water (nearby) | — | — | — | — |
| JACK CREEK GUARD STATION | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | — | — |
| KELLEY GUARD STATION | USDA Forest Service · Bridger-Teton National Forest | 2 | — | 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| KEYSTONE RANGER STATION | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | — | 🔌 electric ♻️ dump (nearby) 🚿 showers 💧 drinking water | — | — | LTE* | — |
| LA BARGE GUARD STATION | USDA Forest Service · Bridger-Teton National Forest | 2 | — | 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| LA PRELE GUARD STATION | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | 20 ft | ♻️ dump (nearby) 🚿 showers 💧 drinking water | — | — | — | — |
| LAKEVIEW BIGHORN | USDA Forest Service · Bighorn National Forest | 26 | 70 ft | ♻️ dump 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| LEIGH CREEK CAMPGROUND | USDA Forest Service · Bighorn National Forest | 11 | 54 ft | ♻️ dump 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| Lewis Lake Campground | National Park Service · Yellowstone National Park | 84 | 25 ft | 🚿 showers 💧 drinking water | — | — | — | — |
| LITTLE BROOKLYN LAKE GUARD | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | 60 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | — | LTE* | — |
| Little Lyman Lake Campground | USDA Forest Service · Uinta-Wasatch-Cache National Forest | 11 | — | — | — | — | — | — |
| LOST CABIN CAMPGROUND | USDA Forest Service · Bighorn National Forest | 19 | 90 ft | ♻️ dump 🚿 showers (nearby) 💧 drinking water | — | LTE* | — | — |
| MCCAIN CABIN | USDA Forest Service · Bridger-Teton National Forest | 2 | 100 ft | 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| MEADOWS CABIN | USDA Forest Service · Bridger-Teton National Forest | 2 | — | 🚿 showers 💧 drinking water | — | — | — | — |
| Meadows Campground (CO) | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 31 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | — | — |
| MIDDLE FORK | USDA Forest Service · Bighorn National Forest | 9 | 80 ft | ♻️ dump 🚿 showers (nearby) 💧 drinking water | — | LTE* | — | — |
| MUDDY GUARD CABIN | USDA Forest Service · Bighorn National Forest | 1 | — | 🔌 50A ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | LTE* | — | — |
| NARROWS CAMPGROUND | USDA Forest Service · Bridger-Teton National Forest | 35 | 30 ft | 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | LTE* | — |
| New Fork Lake Group Campground | USDA Forest Service · Bridger-Teton National Forest | 16 | 30 ft | 🚿 showers (nearby) 💧 drinking water | — | LTE* | — | — |
| NORTH FORK (WY) | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 92 | 99 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | — | — |
| NORTH TONGUE | USDA Forest Service · Bighorn National Forest | 12 | 100 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| OREVILLE CAMPGROUND | USDA Forest Service · Black Hills National Forest | 26 | 99 ft | 💧 drinking water | — | — | — | — |
| OWEN CREEK | USDA Forest Service · Bighorn National Forest | 8 | 50 ft | ♻️ dump (nearby) 🚿 showers 💧 drinking water | — | — | — | — |
| Pactola Reservoir Campground | USDA Forest Service · Black Hills National Forest | 79 | 99 ft | 💧 drinking water | — | — | — | — |
| PINE ISLAND GROUP AREA | USDA Forest Service · Bighorn National Forest | 1 | 75 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| POLE CREEK CABIN | USDA Forest Service · Bighorn National Forest | 1 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | LTE* | — | — |
| PORCUPINE CAMPGROUND (WY) | USDA Forest Service · Bighorn National Forest | 16 | 100 ft | ♻️ dump 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| PRUNE CREEK | USDA Forest Service · Bighorn National Forest | 21 | 55 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| Ranger Creek Recreation Area | USDA Forest Service · Bighorn National Forest | 12 | 75 ft | ♻️ dump 🚿 showers 💧 drinking water | — | — | — | — |
| REX HALE | USDA Forest Service · Shoshone National Forest | 29 | 40 ft | 🔌 50A 🚰 water hookup 💧 drinking water | — | — | — | — |
| SANDSTONE CABIN | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | — | ♻️ dump (nearby) 🚿 showers 💧 drinking water | — | — | — | — |
| SCALER GUARD STATION | USDA Forest Service · Bridger-Teton National Forest | 2 | — | 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| SHELL CREEK | USDA Forest Service · Bighorn National Forest | 15 | 75 ft | ♻️ dump 🚿 showers 💧 drinking water | — | — | — | — |
| SHERIDAN LAKE | USDA Forest Service · Black Hills National Forest | 111 | 77 ft | 💧 drinking water | — | — | — | — |
| SHERIDAN NORTH COVE GRP CG | USDA Forest Service · Black Hills National Forest | 5 | — | 💧 drinking water | — | — | — | — |
| Sherman Guard Station and Bunkhouse | USDA Forest Service · Bridger-Teton National Forest | 6 | — | 🚿 showers 💧 drinking water (nearby) | — | — | — | — |
| SIBLEY LAKE | USDA Forest Service · Bighorn National Forest | 25 | 85 ft | 🔌 50A ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| Silver Lake Campground (WY) | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 17 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | LTE* | LTE* | — |
| SITTING BULL | USDA Forest Service · Bighorn National Forest | 41 | 60 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| SNOW SURVEY CABIN | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 1 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | LTE* | — |
| SNYDER GUARD STATION (WY) | USDA Forest Service · Bridger-Teton National Forest | 2 | — | 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | — | — |
| South Brush Creek Campground (WY) | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 20 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | LTE* | LTE* | — |
| SOUTH FORK (WYOMING) | USDA Forest Service · Bighorn National Forest | 14 | 65 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | LTE* | — | — |
| STATION CREEK CAMPGROUND | USDA Forest Service · Bridger-Teton National Forest | 12 | 20 ft | 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| STILLWATER (UT) | USDA Forest Service · Uinta-Wasatch-Cache National Forest | 31 | 50 ft | — | — | — | — | — |
| Sugarloaf Campground (WY) | USDA Forest Service · Medicine Bow-Routt NFs & Thunder Basin NG | 17 | — | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water (nearby) | — | LTE* | 5G basic* | — |
| SULPHUR CAMPGROUND | USDA Forest Service · Uinta-Wasatch-Cache National Forest | 25 | 38 ft | — | — | — | — | — |
| SUNLIGHT RANGERS CABIN | USDA Forest Service · Shoshone National Forest | 1 | — | 💧 drinking water (nearby) | — | — | — | — |
| THREEMILE CAMPGROUND | USDA Forest Service · Shoshone National Forest | 21 | 75 ft | 💧 drinking water | — | — | — | — |
| TIE FLUME | USDA Forest Service · Bighorn National Forest | 27 | 80 ft | ♻️ dump (nearby) 🚿 showers 💧 drinking water | — | — | — | — |
| Trails End Campground | USDA Forest Service · Bridger-Teton National Forest | 9 | — | 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | — | — |
| WAPITI CAMPGROUND | USDA Forest Service · Shoshone National Forest | 40 | 145 ft | 🔌 30A 💧 drinking water | — | — | — | — |
| WEST TENSLEEP LAKE | USDA Forest Service · Bighorn National Forest | 10 | 45 ft | ♻️ dump 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| Whiskey Grove Campground | USDA Forest Service · Bridger-Teton National Forest | 10 | — | 🚿 showers (nearby) 💧 drinking water (nearby) | — | — | — | — |
| WHITETAIL | USDA Forest Service · Black Hills National Forest | 18 | 76 ft | 💧 drinking water (nearby) | — | — | — | — |
| WILLOW CREEK HORSE CAMP | USDA Forest Service · Black Hills National Forest | 9 | 60 ft | 💧 drinking water (nearby) | — | — | — | — |
| Willow Lake Campground | USDA Forest Service · Bridger-Teton National Forest | 11 | — | 🚿 showers (nearby) 💧 drinking water (nearby) | — | LTE* | — | — |
| WILLOW PARK | USDA Forest Service · Bighorn National Forest | 1 | 40 ft | ♻️ dump (nearby) 🚿 showers (nearby) 💧 drinking water | — | — | — | — |
| Wolverine ATV Trailhead Campground | USDA Forest Service · Uinta-Wasatch-Cache National Forest | 7 | 38 ft | — | — | — | — | — |
* signal filed just outside the campground (antenna-plausible). The order is carrier-neutral — best on-site coverage across any carrier floats to the top.