{"nrhp_refnum":"87000824","name":"Kennywood Park","other_names":["Kenny's Grove","Kennywood"],"category":"district","location":{"address":"4800 Kennywood Blvd.","address_restricted":false,"city":"West Mifflin","county":"Allegheny County","state":"PA","lat":40.386859810885184,"lon":-79.86309785161727,"geom_source":"nps_gis"},"listed_date":"1987-02-27","is_nhl":true,"nhl_designated_date":"1987-02-27","areas_of_significance":["Entertainment/Recreation"],"significance_levels":["national"],"summary":{"what_it_is":"Kennywood Park is a 40-acre amusement park on a plateau above the south bank of the Monongahela River, about 5 miles southeast of Pittsburgh in West Mifflin, Allegheny County. It began as a trolley excursion park in 1898 and opened to the public in 1899.","why_significant":"The nomination argues the park is one of the few surviving trolley parks and retains rare historic rides, especially its John A. Miller roller coasters, a 1927 Dentzel carousel and early structures from nearly every era of its history. It also states that the park documents the growth of the American amusement industry and has adapted to changing fashions while keeping its popularity.","narrative":"Kennywood Park occupies about 40 acres on a plateau above the Monongahela River, roughly five miles southeast of Pittsburgh. The Monongahela Street Railway Company began it as a trolley excursion park in 1898, and it opened in 1899 under the first manager, engineer George S. Davidson, whose triangular layout of open-air pavilions around a small man-made lake remains largely intact. The park is regarded as one of the few survivors of the trolley park movement that flourished in the early 1900s in southwestern Pennsylvania. Its significance rests on its surviving rides: John A. Miller's Racer and Jack Rabbit coasters, the 1927 Dentzel carousel with 64 horses, the 1927 Old Mill, and the 1936 Noah's Ark. The nomination treats these as rare examples of early amusement technology, and the park as a record of how American amusement parks adapted to changing trends over several decades.","period_of_significance":"1898-99","architect_builder":"George S. Davidson (architect); Monongahela Street Railway Company (developer)","architectural_style":null,"criteria":[],"status_note":"Open to the public each year from April until Labor Day; more than 35 buildings and amusement structures remain on the site.","vacant_flag":false,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:30.721382-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/87000824_NHL.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/87000824/b0c9cc5fb9-800.webp","url_1600":"https://nationalhistoricalregister.com/media/87000824/b0c9cc5fb9-1600.webp","licence":"Public domain","author":"Ski2007 of English Wikipedia","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:New_gates_to_Kennywood_(2005).jpg\" rel=\"noopener\">Ski2007 of English Wikipedia</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:New_gates_to_Kennywood_(2005).jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71994431","wikipedia":"https://en.wikipedia.org/wiki/Kennywood","wikidata":"https://www.wikidata.org/wiki/Q2028841"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/allegheny-county/kennywood-park-87000824/"}