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Split Mountain Group Campground

NPSNational Park Service — Jensen · Utah · Dinosaur National Monument

AgencyNPSNational Park Service
AreaDinosaur National Monument
LocationJensen · Utah · Dinosaur National Monument · 40.44066, -109.25306 · Map
Sites4 public sites counted from the federal listing — 4 group standard nonelectric
Getting a siteReservable — the federal listing marks this campground as taking reservations. Some sites or seasons may still be first-come; the listing’s own words are below.
HookupsElectric at 0 of 4 sites
Water hookups at 0 of 4 sites
Sewer hookups at 0 of 4 sites
Full hookups (all three at one site) at 0 of 4 sites
Counted site by site from affirmative reports in the federal record. A site with no report is not counted either way.
Max RV lengthLongest reported site fits 60 ft
Sites that fit at least — 25 ft: 5 sites · 30 ft: 5 sites · 35 ft: 5 sites · 40 ft: 5 sites
Months openNot in federal data — the federal listing does not publish a season for this campground. Check the official description below or Recreation.gov.
FeesWinter 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.
Check-in / outIn 1:00 PM · Out 12:00 PM (most common in the listing)
PetsAllowed at 5 sites, as reported
AccessibilityN
Phone435-781-7700

Check availability & book on Recreation.gov →

This site takes no reservations and shows no live availability. Source: Recreation.gov (RIDB export pulled November 5, 2026); this listing was last updated in the federal record on 2026-09-13.

From the official listing

Overview 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 the 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.

Recreation Dinosaur National Monument covers over 210,000 acres (84984 ha).  

Visitor Centers. The monument features two visitor centers - one in Colorado and one in Utah.  

Quarry Exhibit Hall. You can see over 1,500 dinosaur fossils still in the rock inside the Quarry Exhibit Hall (Jensen, Utah).  

History & Culture. Numerous cultural sites reveal stories of the people who lived here before and include Fremont petroglyphs, homestead cabins and former ranches. Hiking trails allow in-depth exploration.  

Hiking . There are miles of trails for hiking and cross-country travel.  

River Rafting & Boating. Whitewater rafting, both commercial and private, is popular on the Green and Yampa Rivers. The Yampa River multi-day rafting trips begin at Deerlodge Park. The Yampa rushes downstream 44 miles (71 km) to join the Green River at Echo Park. Boaters continue downstream on the Green River to the take-out at the Split Mountain boat ramp. The Yampa is the largest free-flowing tributary within the Colorado River system. As such, it has a shorter season marked by fluctuations in water level resulting from snow received in the winter. It is characterized by famous rapids such as Teepee, Big Joe and Warm Springs. Raft trips must be arranged in advance. For more information, visit Dinosaur's Commercial Guided River Trips page. Private River Trips require a permit. 

Scenic Drives. Several roads provide access to key destinations and scenic sites. Scenic drives allow the windshield visitor to see spectacular geology. 

Facilities 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.

Natural Features The campground is set on a bench along the Green River and is dotted by Fremont Cottonwood and sagebrush. Campsites offer views of Split Mountain. Limited shade is provided by the few trees in the campground. Nearby Attractions In addition to the monument, nearby Utah State Parks, the Ashley National Forest, Flaming Gorge National Recreational Area and Bureau of Land Management sites provide additional recreational opportunities in the area. Charges & Cancellations 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

Customers must request refunds no later than 14 days after the scheduled departure date. Recreation.gov will not grant refund requests after 14 days of departure. Refunds for Bankcard Purchases: Refunds for bank card payments will be issued as a credit to the original bank card. Refunds for Emergency Closures: In the event of an emergency closure, the Recreation.gov team will attempt to notify users and offer alternate dates (as appropriate). If this is not possible, reservations will be cancelled and all fees paid will be refunded. Reservation fees for free tickets are non-refundable in the event of an emergency closure.

Directions, from the listing

Split Mountain Campground is located approximately 12 miles (19 km) north of US Highway 40. Take Utah State Route 149 from Jensen, Utah.

Nearest federal campgrounds

NPSNational Park ServiceGreen River Campground
1 mi straight-line · Jensen Utah
NPSNational Park ServiceRainbow Park Campground
6 mi straight-line · Jensen Utah
NPSNational Park ServiceRainbow Park Campground
6 mi straight-line · Jensen Utah
NPSNational Park ServiceEcho Park Campground
15 mi straight-line · Jensen Utah
FSU.S. Forest ServiceColton Guard Station
21 mi straight-line · VERNAL Utah

Trip Card — Split Mountain Group Campground

Jensen · Utah · Dinosaur National Monument

AgencyNPS · National Park Service
LocationJensen · Utah · Dinosaur National Monument
FeesWinter 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…
Getting a siteReservable
HookupsNone reported
Max RVUp to 60 ft
Months openNot in federal data
Sites4 sites

Book: recreation.gov/camping/campgrounds/234751 · Source: Recreation.gov, pulled November 5, 2026. Facility details come from federal recreation data and may be out of date — this site takes no reservations and shows no live availability; confirm details and book through Recreation.gov or the managing agency.