Theodore Roosevelt National Park

Theodore Roosevelt National Park sits within the Little Missouri River Valley in western North Dakota, where the river has carved through layers of sedimentary rock to create the badlands topography. The badlands are composed of the Bullion Creek and Sentinel Butte formations, deposited roughly 55 to 60 million years ago during the Paleocene epoch, following the extinction of the dinosaurs. These formations include layers of lignite coal, bentonite clay, sandstone, and siltstone, which create the distinctive horizontal banding visible in the canyon walls. The different colored layers, including shades of gray, brown, black, and yellow, result from the varying mineral content and oxidation of the sediments. The Little Missouri River continues to erode the badlands, creating a dynamic landscape that changes with each flood. The badlands are geologically younger than the more famous South Dakota Badlands, but they share similar origins in the deposition and erosion of Paleocene sediments. The park's terrain includes steep ravines, flat-topped buttes, and eroded pillars called hoodoos, which are formed by the differential erosion of harder and softer rock layers. The prairie above the badlands is part of the Great Plains, a vast grassland ecosystem that once covered much of central North America.

In the South Unit, the Wind Canyon Trail is a short 0.4-mile loop leading to a viewpoint over the Little Missouri River, particularly beautiful at sunset. The Ridgeline Nature Trail is a 0.6-mile loop offering interpretive panels about the badlands ecosystem. The Buckhorn Trail is a 6-mile loop through badlands formations and prairie, with opportunities to see bison and wild horses. The Petrified Forest Trail, accessed from the Painted Canyon Visitor Center, is a 4-mile round trip to one of the park's most significant petrified wood deposits. The Little Mo Trail is a 1.1-mile loop near the Cottonwood Campground, suitable for families. In the North Unit, the Caprock Coulee Trail is a 4-mile loop through badlands and prairie with views of the river valley. The Achenbach Trail is a longer 18-mile loop for experienced hikers, crossing the entire backcountry of the North Unit. The park also offers backcountry camping with a free permit, and the cross-country hiking through the badlands is a unique experience, as hikers can explore off-trail in areas where visibility is good and the terrain is manageable. Wildlife viewing is excellent throughout the park, particularly for bison, prairie dog towns, and wild horses in the South Unit.

Theodore Roosevelt National Park is located in western North Dakota, with the South Unit near the town of Medora and the North Unit roughly 50 miles to the north, accessible via Highway 85. The Elkhorn Ranch Unit, located between the two, is accessible only by gravel roads and a river crossing, requiring a high-clearance vehicle. The South Unit is the most visited, with the Medora Visitor Center located in the town of Medora, which also offers lodging, restaurants, and the Medora Musical, an outdoor theater production running nightly in summer. The North Unit has a smaller visitor center and fewer facilities. Entrance fees are $30 per vehicle, valid for seven days and good for both units. The South Unit has the Cottonwood Campground, and the North Unit has the Juniper Campground, both with sites available on a first-come, first-served basis. Backcountry camping is permitted with a free permit. There is no lodging inside the park, but Medora offers cabins, motels, and a historic hotel. The nearest airports are in Bismarck, roughly 130 miles east, and Dickinson, 30 miles east of Medora. Cell service is limited throughout the park, and gas should be obtained in Medora or Belfield.

Theodore Roosevelt National Park is best visited from late spring through early fall, when the scenic drives are open and hiking is pleasant. Summer can be hot, with temperatures reaching the 90s, but the low humidity and occasional breeze make conditions tolerable, and the badlands canyons provide some shade. Spring brings wildflowers and newborn wildlife, including bison calves in April and May. Fall offers cooler temperatures, golden grass on the prairie, and the bugling of bull elk during the September rut, one of the park's most memorable experiences. Winter is cold, with temperatures often below zero and significant snowfall, but the South Unit scenic drive remains open year-round and offers solitude and stark beauty. The North Unit scenic drive is closed in winter. Wildlife is abundant throughout the park, with free-roaming bison herds in both units, wild horses in the South Unit, elk in both units, and prairie dog towns visible from the scenic drives. Bison can be dangerous, and visitors should maintain a distance of at least 25 yards. The park's dark skies also make it an excellent destination for stargazing, with minimal light pollution across the remote North Dakota landscape.