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Ginkgo Petrified Forest

© Jerri Brooker

Did you know Washington State has something unique to only four places on earth: petrified ginkgo wood? The only other known places it exists are in Oregon, Canada and Argentina.

Ginkgo Petrified Forest Interpretive Center

I recently visited the Ginkgo Petrified Forest Interpretive Center at the Ginkgo/Wanapum State Park to learn more about this unique geological jewel near Vantage. As you drive toward the exit on I-90 the stark blue green of the mighty Columbia River dramatically sets the stage for the petrified forest and surrounding panoramic areas of muted, variegated browns and sage. The contrast is so definitive you might imagine you were visiting a place not native to this earth. The presence of petrified wood makes the experience even more awesome.

I didn't have time (nor did I want to brave the 90-degree heat the day I stopped) to walk the Trees of Stone Interpretive Trails, so my view was limited to the center and the wood around the area. But you must walk the two loop trails to experience something so rare and unique to the northwest United States.

Carry Water

Be sure to carry water on the three miles of trail and take time to see the three live deciduous Ginkgoes near the south side of the center before heading out on your walk. Then experience the amazing petrified trees. There are no bathrooms on the trail, so be forewarned.

If you want to see the petrified Ginkgo tree (that is why you came here is it not?), take the lower trail to exhibit 11. Not only will you view that unique sight, but will see others as intriguing along the way, such as a petrified Redwood tree in this desert area. Other exposed trees include Maple, Douglas Fir, Spruce, Walnut, Horse Chestnut, Sweet Gum and Elm. At exhibit One you will also view a Glacial Erratic, granite stone deposited by huge ice chunks left behind as the Glacial Lake Missoula Floods receded.

Where Did the Trees Come From?

How did the wood become petrified and how did the Ginkgo tree ever come to Washington State?

The story is told at the center. Though small, it holds over 200 samples of petrified wood from over 30 different tree species of the ancient Miocene forest. I enjoyed seeing the slice of petrified Oak at the film viewing area - the center shows films throughout the day for your education and pleasure. You'll find plenty to keep you interested.

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