Arikaree Breaks Fossil Canyon Trail

The Arikaree Breaks cut deep gashes into the High Plains near the Colorado border, exposing 20-million-year-old fossil beds where ancient horses and rhinos once roamed. This trail follows ranch roads and creek beds through private land (permission required) to reach the most dramatic exposures near Weskan. Technical sections include steep chalk descents into canyon floors and loose rock climbs back to rim level — spots where momentum and line choice matter more than horsepower.

Difficult trail requiring experienced drivers and capable 4WD with low range, skid plates, and good ground clearance. Spring and fall offer best conditions; summer heat reflects brutally off white chalk walls. Private land access means advance permission essential — contact local ranchers or Cheyenne County tourism. No services for 50+ miles, so bring tools, spare parts, and plenty of water. The payoff: Kansas geology that looks more like Badlands, complete with vertebrate fossils embedded in canyon walls.