Campground · CO
Rocky Mountain National Park Glacier Basin Campground
CO · Rocky Mountain National Park
Rocky Mountain National Park Glacier Basin Campground is generally plan ahead to book. Across the 5 months we have reservation data for, difficulty peaks in June (6/10) and eases to its lowest in May (3/10). The heat strip below breaks down every month — pick one for its full odds, lead-time chart, and easier nearby alternatives.
Booking difficulty by month
Midweek tip: in the busiest month (June), 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 February 15, 2027 become bookable on August 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
- 85 tent-only sites
- 157 RV sites
- 4 accessible sites
- Max RV length 46 ft
Activities: SKIING, SCENIC DRIVE, SNOWSHOEING, VISITOR CENTER, WILDERNESS, WILDLIFE VIEWING, CANOEING, PICNICKING, EVENING PROGRAMS, GUIDED INTERPRETIVE WALKS, INTERPRETIVE PROGRAMS, KAYAKING, AMPHITHEATER, RANGER STATION, HORSEBACK RIDING, HIKING, CAMPING, BACKPACKING, BIKING, DAY USE AREA, MOUNTAIN CLIMBING, FISHING