Unprecedented flooding from melting ice has forced the closure of all entrances to Yellowstone National Park for the first time in more than three decades.

In just days, heavy rain and rapid snowmelt caused a dramatic flood that could forever alter the park’s terrain and the residential neighborhoods that have grown around it.

Park officials say evacuations were ordered due to unprecedented and extremely hazardous conditions. snow is melting and causing And most of the visitors are out.

Current conditions of Yellowstone’s North Entrance Road through the Gardner Canyon between Gardiner, Montana, and Mammoth Hot Springs.

We will continue to communicate about this hazardous situation as more information is available. More info: https://t.co/mymnqGvcVB pic.twitter.com/S5ysi4wf8a

— Yellowstone National Park (@YellowstoneNPS) June 13, 2022

Park officials say no traffic will be allowed in “until the conditions stabilize and the park can assess damage to roads and bridges.”