Officially Sourced Information
Public Park Type: National Park
Managing agency: National Park Service
Location: Wyoming, Montana, Idaho, United States
Established / designated: March 1, 1872
Official website: Yellowstone National Park on the National Park Service websiteVisit the official Yellowstone National Park page on the National Park Service website.
Yellowstone National Park is a National Park Service site spanning Wyoming, Montana, and Idaho. Yellowstone became the first national park on March 1, 1872.
Park Worlds Summary
Park Worlds tracks Yellowstone as a public park, with Public Park Type identifying it as a National Park while preserving relationships to geography, videos, events, and future research records.
Sources
- National Park Service · Government / public record · accessed August 20, 2026Used for / supports: Official park name; Idaho, Montana, and Wyoming location context; March 1, 1872 establishment as the first national park.