Grand Teton
The most dramatic mountain skyline in the Lower 48, with moose, elk and bison below.
2 national parks in Wyoming
Wyoming has 2 national parks. Here's when each one is at its best, and the months that work for seeing several on one trip.
June and September are the best overall for Wyoming's parks. Grand Teton: Jun, Sep; Yellowstone: Jun, Sep.
The most dramatic mountain skyline in the Lower 48, with moose, elk and bison below.
The world's first national park: geysers, hot springs and the best wildlife in the Lower 48.
Geysers, bison, wolves and the jagged Tetons. Two of the most famous parks in the country sit just 10 miles apart.
Montana · Best Jul–Sep
South Dakota · Best May–Jun, Sep–Oct
Colorado · Best Jul–Sep
Utah · Best Apr–May, Oct
Wyoming has 2 national parks: Grand Teton National Park, Yellowstone National Park. Some of these are shared with neighboring states.
June and September are the best overall for Wyoming's parks. Grand Teton: Jun, Sep; Yellowstone: Jun, Sep.
Last reviewed October 4, 2026. Ratings are editorial. Rules and road openings change each year, so confirm on the official NPS site before you go.