I believe it was mentioned earlier that Trump went to the Yellowstone Airport. The drive from west Yellowstone to Bozeman would look like that.
Why Trump didn't fly into Bozeman is another question.
I believe Bozeman is known as the gateway to Yellowstone.
But I think Trump went to this airport:
(Sorry, won't embed for me)
https://yellowstoneairport.mdt.mt.gov/
It is indeed very beautiful in that area. Much of Montana is. I do know just east of Bozeman on I-90 it can get very windy.