Campsite Odds

Booking odds · June

Split Mountain Group Campground in June: How Hard Is It to Book?

Split Mountain Group Campground · UT · Dinosaur National Monument

The verdict

Hard

Booking difficulty 8 out of 10. Competitive. Be ready when the booking window opens.

Fills in weeksBased on 3 years of reservation data

June dates tend to fill up in the weeks before arrival.

Split Mountain Group Campground in June scores 8 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 June booking was locked in about 105 days before arrival, with the campground running roughly 88% full that month. The lightest arrival day is Wednesday, so shifting to a midweek start is the single easiest way to improve your odds.

Lead time

How far ahead people book

Same day: 1% of bookingsSame day1–3d: 5% of bookings5%1–3d4–7d: 4% of bookings4%4–7d1–2wk: 7% of bookings7%1–2wk2–4wk: 9% of bookings9%2–4wk1–2mo: 7% of bookings7%1–2mo2–3mo: 9% of bookings9%2–3mo3–6mo: 41% of bookings41%3–6mo6mo+: 17% of bookings17%6mo+Median booking lead time: 105 days ahead
Demand split

Weekend vs. weekday demand

Weekend (Fri–Sat)Weekday (Sun–Thu)

Best odds: arrivals are lightest on Wednesday in June. A midweek arrival is your easiest booking.

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Booking window · June 2027

When June reservations open

Reservations for Split Mountain Group Campground in June 2027 operate on a rolling 6-month window releasing at 7:00 AM ET.

June 1 stays open

December 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 June 1, 2027 become bookable on December 1, 2026 at 7:00 AM ET. Each subsequent date throughout June 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.

Fees

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.

Plan B

Easier nearby options in June

If your dates are flexible, these nearby campgrounds are typically easier to book.

GREEN RIVER CAMPGROUND

UTPlan ahead

Echo Park Campground

UTHard

COLTON GUARD STATION

UTHard

FAQ

Split Mountain Group Campground in June: common questions

How hard is it to book Split Mountain Group Campground in June?
Split Mountain Group Campground rates 8 out of 10 for June — Hard. Competitive. Be ready when the booking window opens.
How far in advance should I book Split Mountain Group Campground for June?
The typical June reservation was made about 105 days before arrival, so plan to book as early as your dates allow.
When do June reservations open for Split Mountain Group Campground?
Reservations for Split Mountain Group Campground in June 2027 open on a rolling 6-month window. Sites for June 1 become bookable on December 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 June?
Arrivals are lightest on Wednesday. A midweek arrival is usually the easiest booking.

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