Threemile Campground
Sold out? Sites at Threemile Campground open up when campers cancel.
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About Threemile Campground
Threemile Campground is a national park campground at Shoshone National Forest in Park County, Wyoming. Reservations are managed through Recreation.gov. Instead of refreshing Recreation.gov, let Campsite Tonight watch for cancellations and automatically drop an open site into your cart the instant one frees up.
Threemile Campground is in very high demand — sites here routinely sell out well in advance. Cancellations are often the best way in, which is exactly what Campsite Tonight watches for.
The campground accommodates RVs and trailers up to 100 ft. Campers rate it 4.6/5 across 41 reviews.
Other campgrounds at Shoshone National Forest include Rex Hale, Clearwater Campground, Wapiti Campground, Big Game Campground and Sunlight Rangers Cabin.
Total reservations in May — 2025: 15
Location
Address
Cody, Wyoming
Coordinates
44.4961, -109.9511
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.
- •July sees 160 reservations - book early or set cancellation alerts.
Nearby Campgrounds
Rex Hale
Shoshone National Forest
Clearwater Campground
Shoshone National Forest
Wapiti Campground
Shoshone National Forest
Big Game Campground
Shoshone National Forest
Sunlight Rangers Cabin
Shoshone National Forest
Trout Creek Groupsites and Shelter
Buffalo Bill State Park
Photos
Threemile Campground FAQ
How far in advance should I book Threemile Campground?
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open. Mark your calendar for when the booking window opens (typically 5-6 months ahead). Also set alerts - cancellations do happen.
What is the busiest time at Threemile Campground?
July typically sees the highest reservation activity at Threemile Campground. During peak times, 100% of reservations are made 2+ weeks in advance.
Are there campsites available at Threemile Campground right now?
Threemile Campground is currently fully booked for the next 14 days. However, cancellations happen frequently - download the Campsite Tonight app to get instant alerts when sites become available.
Where is Threemile Campground located?
Threemile Campground is located in Shoshone National Forest, near Cody, Wyoming.
Track Availability at Threemile Campground
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