Gardiner,_Montana

Gardiner is a census-designated place (CDP) in Park County, Montana, United States, along the 45th parallel. As of the 2020 census, the population of the community and nearby areas was 833.Gardiner was officially founded in 1880. The area has served as a main entrance to Yellowstone National Park since its creation in 1872. Yellowstone National Park Heritage and Research Center, which opened May 18, 2005, is located in Gardiner and houses National Park Service archives, Yellowstone museum collections and reference libraries.Gardiner was impacted by the 2022 Montana floods.