Montana gates to Yellowstone park will open Monday after coronavirus close

June, Gov. Steve Bullock added Thursday, but a specific day has not been set. The West Yellowstone, Gardiner and Cooke City entrances to Yellowstone will open two weeks after Wyoming’s entrances near …June, Gov. Steve Bullock added Thursday, but a specific day has not been set. The West Yellowstone, Gardiner and Cooke City entrances to Yellowstone will open two weeks after Wyoming’s entrances near …