Yellowstone National Park Updates

While the park’s north loop remains closed due to flood damage until further notice, Yellowstone will begin allowing visitors to access the south loop of the park at 8 a.m. on Wednesday, June 22, 2022 with the re-opening of the West entrance (at West Yellowstone) South, and East entrances. The park is instituting an interim visitor access plan, referred to as the Alternating License Plate System (ALPS) see below for all three entrances.

In addition to road closures caused by flood damage, Yellowstone will have routine road improvement projects and maintenance, and park roads can close at any time due to inclement weather or dangerous driving conditions. Stay informed about up-to-date road conditions in Yellowstone:

  • Visit Park Roads
  • Receive Yellowstone road alerts on your mobile phone by texting “82190” to 888-777 (an automatic text reply will confirm receipt and provide instructions).
  • Call (307) 344-2117 for a recorded message.
  • Visitors who have trips planned should continue to check the Yellowstone website, local chambers of commerce, and social media for updates to get the most up-to-date information.

Alternating License Plate System (ALPS) for Entry

  • Beginning June 22, 2022, public vehicle entry will be allowed based on whether the last numerical digit on a license plate is odd or even.
  • Entrance will be granted based on odd/even days on the calendar:
    • Odd-numbered last digits on license plates can enter on odd days of the month.
    • Even-numbered last digits, including zero, on license plates can enter on even days of the month.
  • Personalized license plates with all letters (e.g. YLWSTNE) will fall into the “odd” category for entrance purposes.
  • Personalized plates with a mix of letters and numbers that end with a letter (e.g. YELL4EVR) will still use the last numerical digit on the plate to determine entrance days.
  • Entrance station staff will turn away vehicles attempting to enter the park when the odd/even numerical digits do not correspond to the odd/even calendar date for entrance.

Exceptions to ALPS

  • Visitors with proof of overnight reservations in the park will be permitted to enter regardless of license plate number. This includes hotels, campgrounds, and backcountry reservations.
  • Current commercial use operators with active commercial use permits will be permitted to enter regardless of license plate number. This includes commercial tours and stock groups.
  • Commercial motorcoaches will be permitted to enter regardless of license plate number.
  • Motorcycle groups may enter on even dates only.
  • This interim license plate system will ensure visitors have access to the park during this period of high demand. Park managers and staff will monitor this system and its impacts on resources, infrastructure, operations, and staffing, and may adjust or implement a reservation or timed entry system, if necessary, after three to four weeks.

North Loop of Yellowstone (Primary Flood Recovery Zone)

North Entrance to Northeast Entrance, including Mammoth Hot Springs to Norris, and Tower Junction to Canyon Village: This area of the park will likely remain closed for a substantial length of time.

  • Many sections of road in these areas are completely gone and will require substantial time and effort to reconstruct.
  • Yellowstone staff are working to determine other potential sections of the park that may be reopened prior to all park roads closing for the season on Nov. 1.
  • Park managers are evaluating plans to reopen roads connecting Canyon Village, Tower Junction, Mammoth Hot Springs, and Norris; however, this will not happen initially. Decisions will depend on the extent of damage and ability to safely open additional sections as the year progresses.
  • The park is also working to reconnect Mammoth Hot Springs to Gardiner, Montana, and Cooke City and Silver Gate, Montana, as soon as possible with temporary solutions, while long-term reconstruction is planned.

Things To Do Outside of Yellowstone National Park


Please be advised of rapidly changing flood conditions in Yellowstone Country Montana affecting visitor travel, including the temporary closure of all entrances into Yellowstone National Park. Visit the following sites for up-to-date safety information:

Travel Guide