Campgrounds and RV parks near Ulm, MT

First Peoples Buffalo Jump State Park sits about 3.5 miles northwest of Ulm and preserves one of the largest bison jump sites in North America. A 6,000-square-foot visitor center covers buffalo culture and Native history, and an interpretive trail leads to the mile-long sandstone cliff and a black-tailed prairie dog town. Plan on at least two hours on site. The Missouri River tailwater south of Great Falls, centered on Craig and Wolf Creek, is a heavily used trout fishery. Craig FWP is a major put-in for float trips and wade fishing, with fly shops, guides, and a restaurant within walking distance. In Great Falls itself, families use Giant Springs State Park, the River's Edge Trail, and the C.M. Russell Museum. Holter Lake and the Gates of the Mountains are within an hour to the south.

Ulm has a semi-arid climate with short warm summers and long cold winters. The core RV season runs mid-May through September, when daytime highs sit in the 70s and 80s Fahrenheit and overnight lows stay above freezing. July and August are the driest and sunniest months and also the busiest at riverfront campgrounds near Craig. Spring brings unpredictable weather. Late snow is possible into May, and May and June together deliver the year's heaviest rainfall, which can push the Missouri and its tributaries high and muddy. Rainbow trout spawn in tributaries from mid-April into May, so anglers should check current Montana FWP regulations before fishing. Fall is a strong shoulder season. September days are typically mild and clear, crowds thin, and hunting seasons open, meaning FWP fishing access sites see mixed use. November through February brings sub-freezing temperatures, snow, and strong winds; most private RV parks close or reduce services, though First Peoples Buffalo Jump State Park stays open year-round on reduced winter hours.

Expect open plains, big skies, and steady wind. The landscape around Ulm is grassland and river bottom rather than forest, so shade at campsites can be limited. Summer thunderstorms build quickly in the afternoon, and hail is possible. Facilities vary by campground type. Private RV parks near Great Falls offer full hookups, Wi-Fi, showers, and laundry. Fishing access sites like Craig FWP are more basic, with vault toilets, drinking water when available, and picnic tables and fire rings at sites, plus highway noise from nearby I-15. Cell coverage is generally reliable along the I-15 corridor and in Great Falls, and spottier in canyon sections of the Missouri. Wildlife includes deer, antelope, prairie dogs, and rattlesnakes on prairie trails, so watch footing at First Peoples Buffalo Jump.