To prevent the spread of equine infectious anemia (EIA), all stock (horses, burros or mules) within Yellowstone National Park must have a negative EIA or Coggins test within the last 12 months. If you are anywhere in Yellowstone National Park, whether on a day ride or an overnight horse trip, your stock must be tested and you must carry proof of a negative Coggins test for each animal. Photocopies of Coggins tests are acceptable in the backcountry. This regulation applies even if you are:
If you are planning to stay overnight in the backcountry, you must obtain a backcountry permit.
You can obtain a permit at any backcountry office or contact the Central Backcountry Office at 307-344-2160.
For more information or questions on horseback riding in the park contact the Central Backcountry Office at 307-344-2160.
Please make sure that the date blood drawn (within 12 months of current date), the laboratory name & negative test results, and identifying features of each animals (name, brand, identifying markings or scars) and are legible on your Coggins forms.
Day Ride Permits
Prior to riding in Yellowstone, you must obtain a free Day Ride Permit.
Exotic Plants: Don't Let Them Ride Along
Do your part to stop invasive plants from entering the park.
Learn how to plan a safe, enjoyable, and low-impact trip.
Ride a Horse
Bring your own stock or take a guided ride.
Last updated: July 9, 2019