Ginkgo Petrified Forest State Park

park, Washington, United States

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June 17, 2026

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Ginkgo Petrified Forest State Park is located in central Washington, east of Ellensburg. It is recognized as one of the world's largest petrified forests, spanning 7,469 acres. The park features numerous species of agatized wood, showcasing ancient plant life preserved over time. The park's name is derived from the ginkgophyte division of plants, which includes the ancient ginkgo tree, Ginkgo biloba. Fossils of ginkgophytes dating back to the Jurassic Period have been found globally. The park also contains archaeological sites and petroglyphs.123

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Ellensburg
Ginkgo Petrified Forest State Park (with numerous species of agatized wood and, at 7,469 acres [3,023 hectares], one of the world’s largest petrified forests) is 28 miles (45 km) east. Inc. town, 1883; city, 1886. Pop. (2000) 15,414; (2010) 18,174.
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Ginkgo Petrified Forest State Park (with numerous species of agatized wood and, at 7,469 acres [3,023 hectares], one of the world’s largest petrified forests) is 28 miles (45 km) east. Inc. town, 1883; city, 1886. Pop. (2000) 15,414; (2010) 18,174.
Read More