Booking odds · May
Split Mountain Group Campground in May: How Hard Is It to Book?
Split Mountain Group Campground · UT · Dinosaur National Monument
The verdict
Booking difficulty 9 out of 10. Competitive. Be ready when the booking window opens.
Popular May dates usually sell out within a few days of release.
Split Mountain Group Campground in May scores 9 out of 10 for booking difficulty — hard. Competitive. Be ready when the booking window opens.
Across the last 3 years of reservation history, the typical May booking was locked in about 93 days before arrival, with the campground running roughly 74% full that month. The lightest arrival day is Wednesday, so shifting to a midweek start is the single easiest way to improve your odds.
How far ahead people book
Weekend vs. weekday demand
Best odds: arrivals are lightest on Wednesday in May. A midweek arrival is your easiest booking.
Get notified when a spot opens
Split Mountain Group Campground in May books up fast. We'll email you if a spot opens up. No spam, unsubscribe anytime.
When May reservations open
Reservations for Split Mountain Group Campground in May 2027 operate on a rolling 6-month window releasing at 7:00 AM ET.
May 1 stays open
November 1, 2026
at 7:00 AM ET
Release style
6-Month Rolling Window
Releases daily 6 months ahead at 7:00 AM ET
Campsites for May 1, 2027 become bookable on November 1, 2026 at 7:00 AM ET. Each subsequent date throughout May releases day-by-day exactly 6 months prior to arrival.
Facility note: Standard Recreation.gov 6-month rolling window: sites become bookable 6 months before arrival at 7:00 AM ET.
How much does it cost to camp at Split Mountain Group Campground?
Winter Walk in Season is approximately from early October through mid-April. The exact dates are determined by local weather conditions. When weather conditions cause the water system to be shutdown, the Winter Walk In rate of $12.00 per night applies. If the water is on, no matter what time of year it is, the nightly rate is $40.00.
Fee details as listed on Recreation.gov. Rates and passes change by season, so confirm the current price on Recreation.gov before you book.
Easier nearby options in May
If your dates are flexible, these nearby campgrounds are typically easier to book.
Split Mountain Group Campground in May: common questions
- How hard is it to book Split Mountain Group Campground in May?
- Split Mountain Group Campground rates 9 out of 10 for May — Hard. Competitive. Be ready when the booking window opens.
- How far in advance should I book Split Mountain Group Campground for May?
- The typical May reservation was made about 93 days before arrival, so plan to book as early as your dates allow.
- When do May reservations open for Split Mountain Group Campground?
- Reservations for Split Mountain Group Campground in May 2027 open on a rolling 6-month window. Sites for May 1 become bookable on November 1, 2026 at 7:00 AM ET, with each subsequent day releasing day-by-day 6 months ahead.
- What is the best day to arrive at Split Mountain Group Campground in May?
- Arrivals are lightest on Wednesday. A midweek arrival is usually the easiest booking.
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