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Ginkgo Petrified Forest State Park

State Park on Columbia Plateau near Vantage, WA

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Ginkgo Petrified Forest State Park/Wanapum Recreational Area is a 7,470-acre (3,020 ha) Washington state park at Vantage, Washington that includes 27,000 feet (8,200 m) of shoreline on the Wanapum Reservoir on the Columbia River. Petrified wood was discovered in the region in the early 1930s, which led to creation of the park as a national historic preserve. The strata it lies in is identified as the Miocene Epoch of the Neogene period (15.5 MYa). Over 50 species are found petrified at the site, including ginkgo, sweetgum, redwood, Douglas fir, walnut, spruce, elm, maple, horse chestnut, cottonwood, magnolia, madrone, sassafras, yew, and witch hazel.

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