Campground · WY
PORCUPINE CAMPGROUND (WY)
Booking is hardest here in July (7/10) and easiest in June (6/10). Pick a month below for the full breakdown.
Booking difficulty by month
Midweek tip: in the busiest month (July), arrivals are lightest on Tuesday — shift your dates to improve your odds.
When reservations open
Booking window
Reservations open on a rolling 6-month window at 7:00 AM America/New York.
For example, sites for January 15, 2027 become bookable on July 15, 2026. Set a reminder a few minutes before release for the best shot.
Standard Recreation.gov 6-month rolling window: sites become bookable 6 months before arrival at 7:00 AM ET.
Sites & amenities
- 2 tent-only sites
- 14 RV sites
- Max RV length 100 ft
Activities: HISTORIC & CULTURAL SITE, CLIMBING, WILDLIFE VIEWING, HIKING, FISHING, BIKING, BIRDING, CULTURAL ACTIVITIES, HORSE CAMPING, HORSEBACK RIDING, ROCK CLIMBING, SCENIC DRIVE, HOTEL/LODGE/RESORT PRIVATELY OWNED, MOUNTAIN CLIMBING, MOUNTAIN BIKING, OFF ROAD VEHICLE TRAILS