Yellowstone National Park

Yellowstone National Park is Open!

Beginning June 12, 2022, unprecedented amounts of rainfall caused substantial flooding, rockslides, and mudslides within Yellowstone National Park. Historic water levels caused severe damage to roads, water and wastewater systems, power lines, and other critical park infrastructure.

Less than three weeks after historic flooding, the park has opened the south and north loops to the visiting public, accounting for 93% of roadways in Yellowstone. Furthermore, the Alternating License Plate System (ALPS) has been suspended and visitor entrances from East, West, and South have returned to normal entrance procedures.

While access to Yellowstone National Park will be still be somewhat limited, Grand Teton National Park and Jackson Hole are open for outdoor recreation including wildlife expeditions, whitewater rafting, horseback riding and many other authentic Western adventures.

Yellowstone National Park Entrances

In addition to roads in the south loop, visitors will now be able to access:

  • Norris Junction to Mammoth Hot Springs
  • Mammoth Hot Springs to Tower-Roosevelt
  • Tower-Roosevelt to Canyon Junction (Dunraven Pass).

Visitors can access the south and north loops via the East Entrance (Cody, Wyoming), West Entrance (West Yellowstone, Montana), and South Entrance (Grand Teton/Jackson, Wyoming).

Old Faithful Geyser At Yellowstone National Park.

Yellowstone Services & Amenities

  • Be prepared for limited services, changes in service availably and hours, and area closures.
  • While the park and its partners are doing their best to provide recreational access and guest services, this is an evolving situation.
  • You can inquire about services and hours locally at the following locations:
    • Bridge Bay Ranger Station
    • Canyon Village Visitor Education Center
    • Grant Village Center
    • Norris Geyser Basin Museum and Information Station
    • Old Faithful Visitor Education Center
Yellowstone Alternating License Plate System.

Public vehicle entry into Yellowstone National Park will be allowed based on two factors: whether the last numerical digit on a license plate is odd or even and whether the calendar day is odd or even.

Alternating License Plate System

  • To balance the demand for visitor access, the park has implemented an interim Alternating License Plate System.
  • Public entry into the park is based on your license plate.
  • The National Park Service (NPS) will actively monitor the license plate system for impacts to resources, visitor experience, staffing, operations, infrastructure, and gateway communities and may adjust the ALPS or implement a reservation or timed entry system at any time.
  • License plates with an odd-numbered last digit can enter on odd days of the month.
  • License plates with an even-numbered last digit (including zero) can enter on even days of the month.
  • Personalized plates with a mix of letters and numbers that end with a letter (i.e. YELL4EVR) will still use the last numerical digit on the plate to determine entrance days.
  • Personalized plates without numbers (i.e. YLWSTNE) will be allowed to enter on odd days of the month.
  • Motorcycle groups traveling together (two or more) where all license plates in the group don’t correspond to the date may enter on even dates only.
  • 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.
  • Allowed to enter the park on any day of the month:
    • Current commercial use operators with active commercial use permits.
    • Visitors with proof of overnight reservations in the park.
    • Commercial motor coaches.
    • Essential services like mail and delivery, employees, and contractors.

Park FAQs

When will the north and northeast park entrances reopen?

The North Entrance Road (Gardiner, Montana to Mammoth Hot Springs) and Northeast Entrance Road (Cooke City/Silver Gate, Montana to Tower-Roosevelt) remain closed to visitor vehicular traffic while temporary repairs are completed. Visitors may access the park on foot through these entrances to recreate (fish and hike) in areas not identified as closed. The park will evaluate authorizing bicycle use through these entrances up to damaged road sections soon.
Reconnecting the park to Gardiner and Cooke City/Silver Gate remains Yellowstone’s highest flood recovery priority. These communities are open with access to the park as described above.



What should I do about in-park lodging/camping reservations impacted by the closure?

Backcountry campsites or Indian Creek, Lewis Lake, and Slough Creek Campgrounds: If your reservation was impacted, you’re encouraged to re-book at one of the campgrounds that are currently open. Otherwise, Yellowstone National Park staff will reach out to you soon about reservation cancelations and refunds.



Will entrance stations still be open 24/7?




Why are certain campgrounds closed during the south loop reopening?

Some campgrounds in the south loop remain closed due to limitations on staffing and operations.

Questions About Reservations

What if I have dining reservations (but no overnight reservations) at an in-park lodge on a date that does not correlate with my license plate number?

There will not be an exception for visitors with dining reservations. Please call Yellowstone National Park Lodges to reschedule your dining reservation.

How do we prove multiple vehicles are in the same group staying in overnight accommodations in the park?

Each vehicle associated with an overnight reservation should have a digital or printed copy of their reservation. Please print or download these in advance, as cell service and data is unavailable or limited at entrance stations.

What if I have an overnight reservation in another gateway community?

You may travel through the park to another gateway community only on days that you have the correct license plate.

I have a one-night camping reservation in the park. Will that reservation allow entry on both the check-in and check-out date? For example, can I exit and re-enter the park on my check-out day?

No, you may not enter the park on your check-out day unless your license plate corresponds with the date.

Will visitors with reservations for lodging/campgrounds that will no longer be open be exempt from the ALPS rules?


What if I have a tour reservation that leaves from inside the park? Will I still be able to enter the park to get to the tour, and what will I need to show at the entrance station?

If you have a tour reservation that leaves from inside the park (i.e. photography tour, horseback ride, boat tour, etc.), you will need to show your tour or booking receipt to the entrance station for entry on the day of your tour if you don’t have a license plate that corresponds to the date.

Questions About License Plates

What if I’m driving a vehicle with an in-transit/invoice license plate?

Temporary and in-transit or other similar tags should follow ALPS and use the last digit to determine entry date. If the temporary tag or in-transit tag has no number, it will be treated like a vanity plate.

What if I don’t have a license plate?

Vehicles without plates should not be on the road and will not be allowed to enter the park. If a vehicle is in transit to a rental car company, the operator should be able to produce the transit tag or paperwork. If no number is on that transit tag, it will be treated like a vanity plate.

Why doesn’t Yellowstone just use the same reservation system as other national parks?

Prior to implementing ALPS, Yellowstone conducted extensive outreach to the public and gateway communities, including conversations with over 1000 businesses. Communities and the public preferred the ALPS primarily because it provides some level of certainty to visitors; people will be able to rely on entering the park for approximately half of their planned visit. Yellowstone has developed a timed entry reservation similar to those used at other parks and can implement if ALPS does not meet the intended goals.

Questions About Facilities

Will entrance stations still be open 24/7?


Why are certain campgrounds closed during the south loop reopening?

Some campgrounds in the south loop remain closed due to limitations on staffing and operations.

When will facilities that are currently closed re-open?

Please visit Operating Hours and Seasons for updated information on openings and operations. For flood-specific updates, visit Flood Recovery and Operations.

Other Questions

Can I cut through the park to save travel time on a day that does not correlate with my license plate number?


When will park entrance passes be available for purchase again online?

Online passes will not be available online for the remainder of ALPS because digital passes are difficult to refund.

How did Yellowstone decide on implementing the Alternating License Plate System (ALPS)?

Since June 13, 2022, park staff have engaged over 1,000 business owners, park partners, commercial operators and residents in surrounding gateway communities to determine how to manage summer visitation while the north loop remains closed due to flood damage. To balance the demand for visitor access, park resource protection, and economic interests of the communities, the Alternating License Plate System was suggested by gateway communities as an interim solution during major public engagement with the park. Park managers and partners have agreed the ALPS system is the best interim solution to ensure the south loop does not become overwhelmed by visitors. In case the ALPS system does not work as planned, the National Park Service is concurrently building a new reservation system that will be ready for implementation.

For more information, visit the National Park Service’s Yellowstone Website
Flood Recovery and Operations – Yellowstone National Park (U.S. National Park Service) (