Campground · Utah · 4 bookable sites ·
Managed by the National Park Service
Dinosaur National Monument (National Monument) · Open Access

The Split Mountain Group Campground is located along the banks of the Green River at an elevation of 4,800 feet (. The highly eroded Split Mountain towers over the campground.
The campground is near Quarry Exhibit Hall, where you can see 149 million year old dinosaur bones still encased in the rock. Adjacent to the campground is the Split Mountain Boat Ramp where river rafters come off the Green River after trips through Dinosaur National Monument's canyons.
Dinosaur National Monument covers over 210,000 acres (84984 ha).
The campground offers four group sites that accommodate both tents and recreational vehicles. Each campsite has a picnic table, campfire ring with grill and can accommodate up to 25 people and six vehicles. Drinking water and flush toilets are available from early April to early October. However, no water, sewer or electric hookups are available for recreational vehicles. RVs can not fill their potable water tanks at the campground.
No-Shows. A camping no-show customer is one who does not arrive at a campground and does not cancel the reservation by check-out time on the day after the scheduled arrival date. Reserved campsites will be held until check-out time on the day following your scheduled arrival.
If a customer does not arrive at the campground by check-out time the day after arrival or does not cancel the reservation by the times listed under "Late Cancellations" above, the customer may be assessed a $20.00 service fee and forfeit use fees.
Refunds
Not recorded upstream: electric hookups, water hookups, sewer hookups, fire pits.
Check-in 1:00 PM · Check-out 12:00 PM
| Site | Loop | Type | Entry | Surface | Grade | Water | Max rig | People | |
|---|---|---|---|---|---|---|---|---|---|
| A | SPLIT MOUNTAIN GROUP CAMPGROUND | Group Standard Nonelectric | Pull Through | Paved | Slight | Riverfront | 60 ft | 25 | 🐾 |
| B | SPLIT MOUNTAIN GROUP CAMPGROUND | Group Standard Nonelectric | Pull Through | Paved | Slight | Riverfront | 60 ft | 25 | 🐾 |
| C | SPLIT MOUNTAIN GROUP CAMPGROUND | Group Standard Nonelectric | Pull Through | Paved | Slight | Riverfront | 60 ft | 25 | 🐾 |
| D | SPLIT MOUNTAIN GROUP CAMPGROUND | Group Standard Nonelectric | Pull Through | Paved | Slight | Riverfront | 60 ft | 25 | 🐾 |
| Scan and Pay Split Mountain | Split Mountain Individual Campsite | Management | Pull Through | Paved | Slight | Riverfront | 60 ft | 25 | 🐾 |
Split Mountain Campground is located approximately 12 miles (19 km) north of US Highway 40. Take Utah State Route 149 from Jensen, Utah.
40.44066, -109.25306 · 40°26'26.4"N 109°15'11.0"W
Typically 95°F in Jul, down to 30°F in Jan.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 30 | 39 | 55 | 64 | 75 | 88 | 95 | 92 | 82 | 65 | 48 | 33 |
| Low °F | 8 | 16 | 27 | 35 | 44 | 52 | 59 | 57 | 47 | 35 | 24 | 12 |
| Precip in | 0.6 | 0.6 | 0.6 | 0.7 | 0.9 | 0.5 | 0.7 | 0.6 | 1.2 | 1.1 | 0.5 | 0.6 |
1991–2020 averages from the nearest NOAA station, 2.8 mi away — not measured at the facility itself, and elevation can make a real difference over that distance.
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.
From Recreation.gov, which is not always current. The operator's own page is the authority on what you will be charged.


Recreation.gov last updated this record on 2026-02-25.
Facility information and photographs from Recreation.gov (RIDB). SpotOpened is not affiliated with Recreation.gov or any federal agency.
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