Photo:
Murray Foubister / CC BY-SA 2.0
The Badlands rise from the South Dakota prairie like a maze of eroded spires and striped buttes, a stark, beautiful moonscape carved from ancient seabeds and volcanic ash. Alongside the dramatic rock, the park protects one of the largest mixed-grass prairies in the country, alive with bison, bighorn sheep and prairie dogs, and it holds one of the world’s richest fossil beds.
Water and wind have sculpted soft sedimentary layers into the park’s signature pinnacles, ridges and canyons, banded in reds, tans and grays. Between the rock formations spreads open prairie grassland, and the sharp boundary between the two, the “Wall”, is one of the park’s defining features. Bison graze the flats, bighorns pick across the buttes, and rattlesnakes shelter in the rocks.
Spring and fall bring the most comfortable temperatures and good wildlife activity. Summer is hot, with afternoon thunderstorms and lightning on the exposed terrain, so hike early. Winter is cold and quiet, with snow-dusted formations and few visitors for those prepared for the cold.
The park lies off I-90 in southwestern South Dakota, and the Badlands Loop Road (Highway 240) is the scenic spine, linking the overlooks, the visitor center and the main trailheads. A vehicle is the practical way to tour it, with short trails branching off the loop into the formations.
Drive the Loop Road for the classic overlooks, then walk trails like the Notch, Door and Castle to get among the formations, or scramble the accessible badlands off-trail (the park allows open hiking). Watch for bison and bighorns in the Sage Creek area, visit the fossil exhibits, and enjoy some of the darkest night skies on the northern plains.
Summer heat and lightning are the main hazards, so carry plenty of water and get off exposed ground when storms build. Give bison a very wide berth (they are fast and dangerous), watch for rattlesnakes among the rocks, and avoid the clay slopes when wet, as they turn treacherously slick.
A park pass is required, and while backcountry camping needs no permit, you must carry all your water and be self-sufficient. This page is a general overview, not a live conditions report; always confirm current conditions and closures with the National Park Service before your trip.
Set this declination on your compass, then align it to the map's north lines; it is the angle between true north and magnetic north, refreshed each year.
