Wyoming Yellowstone National Park 2025. Located in northwest wyoming and extending into montana and idaho, yellowstone national park is famous for being the first national park in the world. Yellowstone national park's opening day for the 2025 season was last friday, april 19th.

Yellowstone national park travel forum; Within the park’s 2.2 million acres, visitors have unparalleled opportunities to observe wildlife in an intact ecosystem, explore geothermal areas that contain half the world’s.