Threemile Campground

Shoshone National Forest — riverside, fishing, hiking

Location: Cody, WY, WY

Price: From $20 per night

Price range: $20–$40 per night

Rating: 4.5 out of 5 (54 reviews)

Season: Memorial Day through Labor Day

Threemile Campground is located just three miles from the east entrance of Yellowstone National Park, and 50 miles from the full service gateway community of Cody, in northwestern Wyoming. The area is an ideal destination for a family getaway, with many opportunities for outdoor recreation. Hard-sided camp trailers and RVs are required.The campground offers family campsites for hard-sided camp trailers and RVs.

Cell coverage (FCC estimate): none signal. Actual signal may vary in remote areas.

Amenities: Fire Rings, Picnic Tables, Vault Toilets, Drinking Water, Bear Boxes, Fishing, Firewood for Sale

Availability alerts: Set a free cancellation alert at camperwatch.org/campground/threemile-campground to be notified when sites open up.

Threemile Campground offers a peaceful, secluded setting just 3 miles from Yellowstone's East entrance with campsites along the Shoshone River. Excellent for fishing, hiking, wildlife viewing, and scenic driving with a 4.6/5 rating from 42 Google reviews.

Wildlife alert: Grizzly bears and American black bears are present in the area; hard-sided campers required. Also watch for American bison, osprey, and golden eagles.

Insider tips for Threemile Campground: Arrive early or use first-come, first-served sites as this is a popular federal campground No cell service available—plan accordingly Bring your own water containers as water is from a pump; no RV dump station on-site

Skip Threemile Campground if: You need RV hookups (electric, water, or sewer). You have soft-sided campers or tents—only hard-sided RVs and trailers permitted. You plan to visit outside Memorial Day through Labor Day (seasonal closure). You require cell service or full amenities.

Best time to visit Threemile Campground: July — Peak season with verified camper experience of first-come, first-served availability and excellent conditions for Yellowstone access.

Nearby campgrounds: Rex Hale (CODY, WY), Clearwater Campground (Cody, WY), Wapiti Campground (CODY, WY), Big Game Campground (CODY, WY).

Cell Phone Coverage at Threemile Campground

Cell signal at Threemile Campground (Cody, WY): none overall signal based on FCC broadband data.

Coverage data source: FCC Broadband Data Collection (BDC). Actual signal may vary due to terrain, tree cover, and distance from towers. Camper reports are more reliable than coverage maps in remote areas.

CamperWatch
CamperWatch›WY›Threemile Campground
Threemile Campground — photo 1
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Shoshone National Forest — riverside, fishing, hikingLive availability via Recreation.gov· synced every 30 min

Threemile Campground

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Cody, WY, WY★ 4.5 (54 reviews)From $20/nightFederal campground · book on Recreation.gov
On this page ↓OverviewConditionsPlan Your TripCommunity

Threemile Campground is located just three miles from the east entrance of Yellowstone National Park, and 50 miles from the full service gateway community of Cody, in northwestern Wyoming. The area is an ideal destination for a family getaway, with many opportunities for outdoor recreation. Hard-sided camp trailers and RVs are required.The campground offers family campsites for hard-sided camp trailers and RVs.

Best for:AnglersHikersWildlife watchersFamiliesSites:RV
LIVE · weather + fire + AQI + availability + wildlife

Verified facts

RIDB / Recreation.gov official database
Check-in2:00 PM
Check-out12:00 PM
SeasonMemorial Day through Labor Day
Stay limit14 days
Max RV75 ft
HookupsNo hookups. Suitable for self-contained RVs.
PetsAllowed
CampfiresAllowed
Max/site6 people

Amenities

RIDB /facilities /campsites · owner-verified
Essentials
Fire RingsDrinking WaterFirewood for Sale
Recreation
Picnic TablesBear Boxes
Family & Pets
Vault ToiletsFishing

Straight talk

CamperWatch intel · curated from camper reports

Known issues, each with the workaround. Read before you book.

Known issuesFederal campground — book early. No hookups at most sites. Seasonal operations.
Skip it if:✕ You need RV hookups (electric, water, or sewer)✕ You have soft-sided campers or tents—only hard-sided RVs and trailers permitted✕ You plan to visit outside Memorial Day through Labor Day (seasonal closure)✕ You require cell service or full amenities

Insider tips & when to go

CamperWatch intel · hand-curated entry

Arrive early or use first-come, first-served sites as this is a popular federal campground

No cell service available

plan accordingly

Bring your own water containers as water is from a pump; no RV dump station on-site

Best: July

Peak season with verified camper experience of first-come, first-served availability and excellent conditions for Yellowstone access

Things to do nearby

RIDB /activities /recareas + intel

Conditions today

Live
at campground coordinates

Cell signal

FCC BDC · quarterly dataset
T-Mobile
4G · 0%
Verizon
4G · 0%
AT&T
4G · 0%

FCC maps are theoretical — camper reports confirm signal.

Wildlife nearby

iNaturalist · research-grade · 8 km
Alert: Grizzly bears and American black bears are present in the area; hard-sided campers required. Also watch for American bison, osprey, and golden eagles.

Location

Leaflet · OpenStreetMap tiles
Open in OpenStreetMap ↗
Getting there →

From Cody, Wyo., follow Sheridan Avenue west through Cody until the road leaves town and becomes the Buffalo Bill Cody Scenic Byway (U.S. Highway 14/16/20). The campground is located almost 49 miles west of Cody, on the south side of U.S. Highway 14/16/20, next to the Shoshone River.

Campground entrance

Google Maps API

Community

#community · posts, photos & Q&A · AI-moderated (Claude Vision)

Pro tips

  • Book on recreation.gov exactly 6 months ahead at 10am ET — Shoshone National Forest fills fast in peak season.
  • Check current road conditions at Shoshone National Forest before arrival — seasonal closures common.
  • Bear country — store all food in bear boxes or locked vehicle at all times.

Frequently asked questions

RIDB facts + intel · FAQPage schema, speakable
How much does Threemile Campground cost per night?+
Threemile Campground costs $20–$40 per night. Hookup options: No hookups. Suitable for self-contained RVs.
What season is Threemile Campground open?+
Threemile Campground is open Memorial Day through Labor Day. Check-in is 2:00 PM, check-out is 12:00 PM.
Does Threemile Campground have hookups?+
No hookups. Suitable for self-contained RVs.
What is the maximum RV length at Threemile Campground?+
Threemile Campground can accommodate RVs up to 75 feet.
How do I make reservations at Threemile Campground?+
Threemile Campground is a federal campground — book 6 months ahead at Recreation.gov. Set a free CamperWatch cancellation alert to be notified the moment a site opens.
What is the cell service like at Threemile Campground?+
According to FCC coverage maps, cell signal at Threemile Campground is rated none. FCC maps show theoretical coverage — actual signal in remote or heavily forested areas may be weaker.
What season is Threemile Campground open, and what are check-in times?+
Threemile Campground is open Memorial Day through Labor Day. Check-in is 2:00 PM, check-out is 12:00 PM.

Official resources

Buffalo Bill Cody Scenic Byway
Compare campgroundsPlan a multi-stop trip
●Data sources on this page
Recreation.gov — Live site availability — updated every 30 min
recreation.gov · RIDB API
National Weather Service — Live hourly forecast + active alerts
api.weather.gov · open-meteo.com
Google Air Quality API — Live AQI at exact campground coordinates
airquality.googleapis.com
iNaturalist — Research-grade wildlife within 8km
api.inaturalist.org
Google Pollen API — Today’s tree, grass & weed pollen forecast
pollen.googleapis.com
FCC Broadband Map — Verizon, AT&T, T-Mobile 4G/5G coverage data
broadbandmap.fcc.gov · quarterly
Sunrise-Sunset.org — Sunrise, sunset & golden hour for today
api.sunrise-sunset.org
Google Street View — Campground entrance & access road imagery
maps.googleapis.com
RIDB — ADA sites, hookups, toilets, pets, campfire rules, bear boxes, max RV, activities, contact, directions
ridb.recreation.gov · /facilities /campsites /activities /links /recareas

CamperWatch never fabricates data. Where data is unavailable, it is not shown.

$20 /night★ 4.5 (54)
SeasonMemorial Day through Labor Day
Check-in2:00 PM
Check-out12:00 PM
Reserve on Recreation.gov ↗
Dates full? Get an availability alert
FAQ
How much does Threemile Campground cost per night?+
What season is Threemile Campground open?+
Does Threemile Campground have hookups?+
All 7 questions →

Nearby Campgrounds

Rex Hale

CODY, WY

From $15/night

Clearwater Campground

Cody, WY

From $15/night

Wapiti Campground

CODY, WY

From $20/night

Big Game Campground

CODY, WY

From $15/night

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