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Oklahoma

Keystone Ancient Forest Preserve

The Preserve protects the ancient oak and cedar crosstimbers barrier to the great plains.




Open to the Public

Yes

Things To Do

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Plan Your Visit

“This preserve has limited access and is only open on select days. It is operated by the City of Sand Springs. Please contact them for the preserve schedule. View All

For another day on top of the centuries that have come and gone, the winter trees of the Keystone Ancient Forest Preserve raise their twisted branches against whatever might come of this latest weather assault sweeping across Lake Keystone.

Ice? Fire? Drought? This ancient forest is made of tougher stuff than most people know. These hard-crusted trees, some of them 300, 400, even 500 years old, stand as a sage army of post oaks and redcedars, undisturbed, unyielding, less than 15 miles from Tulsa, marking the gateway from the deciduous forests of the East to the prairies of the West.

Fortunately, the craggy terrain has left developers unwilling or unable to tackle the area. Some of these trees have had their tops knocked off by wind or broken by ice some time over the passing centuries. But they'd be here, lush in the spring, painted in the fall or bare in winter when visitors can see through the maze of branches over the high bluffs on windy days and watch cloud shadows chase sun streaks across the lake below.

No cotton farmers cleared these rocky hills. No woodmill workers harvested trees for chip piles. Wildfires couldn't swarm these bluffs. There was no clearing for grazing or crops or development, all of which have cut away some 80 percent of the ancient forests elsewhere over much of the crosstimbers' historic range across Oklahoma.

While some would consider the area's beauty subtle, its history is anything but that. The crosstimbers originally covered 30,000 square miles, stretching from Texas through Oklahoma and into Kansas, and they were here when European explorers wandered through the state and when Indian tribes called it home. They here before this was America.

The crosstimbers earned its name from settlers who found much of the thick forests impassable as Oklahoma Territory was opened for settlement. American writer Washington Irving passed through in 1832 and wrote of the "vexations of flesh and spirit" that set upon the travelers who he said felt as if they were "struggling through forests of cast iron."

In many ways, the crosstimbers has suffered unnoticed declines for the same reason the tallgrass prairie suffered for years. In both ecosystems, the beauty is subtle. The post oaks survive in a drought-stressed land and don't show their age by growing wide and tall like California's ancient sequoias. At first glance, they don't look old.

Until now there has been no park or preserve dedicated to these historic forests. And conservationists estimate the vast majority already has been destroyed. The Nature Conservancy hopes that this preserve will do for the ancient crosstimbers what the Tallgrass Prairie Preserve north of Pawhuska has done for tallgrass.


The Keystone Ancient Forest Preserve is owned and operated by the City of Sand Springs and is open for free hikes on selected days each month. Pets are not allowed. To arrange a visit, please visit the City of Sand Springs website at www.sandspringsok.org or call The Sand Springs Parks and Recreation Department M–F, 8 a.m. – 5 p.m. at (918) 246-2561.

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