Day 1 – Getting there Yellowstone is the first national park of the world. 96 % of the park is in Wyoming, 3 % in Montana and 1 % in Idaho. Quickest way to get to the Park is by air. There are several small airports close to the park. The Bozeman Yellowstone International … More 7 Days in Yellowstone and Grand Teton National Park (July 2018)