The Yellowstone River corridor in south-central Montana features several dispersed camping options within 30 miles of Pompeys Pillar National Monument. Most sites sit at elevations between 2,800-3,200 feet, positioning campers in terrain characterized by rolling hills, river bottomlands, and seasonal weather fluctuations. Summer daytime temperatures typically reach 85-95°F, while evenings cool significantly, creating conditions where fire restrictions and wind advisories can change camping plans with little notice.
What to do
Visit nearby historic sites: Captain Clark Fishing Access provides convenient access to Pompeys Pillar National Monument. "We backtracked the next morning to explore Pompey's Pillar National Monument," noted one camper at Captain Clark Fishing Access Site.
River activities: The Yellowstone River offers fishing and swimming opportunities. "There is a great swimming hole on the other side of the boat launch," reports a visitor to Captain Clark, though they caution that "the Yellowstone River is a fast moving and dangerous river."
Outdoor exploration: Multiple trail networks exist for hiking, mountain biking, and horseback riding near Acton Recreation Area. "This is one of my favorite local riding spots. The trails are well used and vary from flat and easy to moderately difficult. Lots of bicyclers on the trails," shares a regular visitor.
Wildlife viewing: Early mornings provide prime wildlife viewing opportunities. "Heard some coyotes over night and saw some hunters in the morning," reports a camper who stayed at Acton Recreation Area. Other visitors note beaver activity along riverbanks and frequent cattle sightings in areas adjacent to ranchlands.
What campers like
Spacious sites: Most dispersed camping areas offer ample space between sites. "Sites are well spread apart. Fire rings and picnic tables at each," explains a visitor to Captain Clark Fishing Access Site. Another camper appreciated "our spacious spot with an amazing view of the river."
Quiet atmosphere: Distance from major highways creates peaceful camping experiences. A camper at Acton Recreation Area described it as "beautifully quiet" and "super quiet and cozy." Another noted it was "worth the drive" for the quiet surroundings.
Night sky viewing: Limited light pollution creates exceptional stargazing conditions. "Stars were amazing! Not many bugs," reports a camper who stayed at Acton Recreation Area. Another visitor specifically mentioned to "camp up top the first 1-2 sections" for better views.
Affordability: Most sites are free or require minimal permits. Acton Recreation Area provides completely free camping near Pompeys Pillar, Montana, while Captain Clark requires only a $10 annual conservation permit for out-of-state visitors.
What you should know
Road conditions: Access roads frequently present challenges. At Acton Recreation Area, visitors report "the road right before getting to the park was washboard like" and advise to "make sure your vehicle has Clearance cause the dirt road gets rough." Another camper notes that despite difficult roads, "it was worth the drive, had great scenery and a vault toilet."
Seasonal considerations: Spring flooding can impact site availability and increase insect activity. Campers experience varying bug populations depending on timing, with one visitor in late September noting "not many bugs" at Acton.
Limited amenities: Most dispersed camping areas provide minimal facilities. Vault toilets are typically available only at entrance areas. "The bathroom near entrance so camp first section if need that daily for easy walk to it," advises an Acton camper.
Wind conditions: Evening winds can be substantial in exposed areas. "The wind does pick up at night so do stake out your tents fully!" warns a visitor to Acton Recreation Area.
Tips for camping with families
Bathroom proximity: Position camp near toilets when traveling with children. "Took my 3 kids and had a great time for 2 days," reports an Acton Recreation Area camper who suggests selecting sites in "the first section if need that daily for easy walk to it."
Swimming spots: Designated swimming areas provide safer water access. Captain Clark features "a great swimming hole on the other side of the boat launch," though parents should supervise closely due to river currents.
Activity planning: Bring bikes for additional recreation options. At Acton Recreation Area, a visitor notes it's an "excellent place too take 21 speed mountain bike too," while another mentions "some cool trails to walk the dog and bike leading from the area."
Campsite selection: For quieter overnight stays with children, choose sites farther from boat launches and day-use areas. A Captain Clark camper observed that "a number of sites were being used, but they were just there for the day," indicating better overnight experiences in more distant sites.
Tips from RVers
Vehicle length restrictions: Several areas have specific size limitations. Captain Clark limits vehicles to 20 feet, with one reviewer clarifying "they clarify 20 ft tow vehicle and 20 ft trailer... It would be tough to get anything big in here anyway."
Small trailer access: Compact campers and smaller trailers navigate most access roads successfully. "I checked out the first couple groups of sites with my Subaru Crosstrek pulling a square drop trailer without issue," reports a camper at Acton Recreation Area.
Site selection strategy: Choose camping areas based on vehicle clearance requirements. When visiting Acton Recreation Area, one RVer suggests to "camp up top the first 1-2 sections if not have a truck/high suspension for the dirt road further down."
