These caves were historically used by the Plateau Indians for storage and for shelter. They were created when whirlpool-like floodwaters from the Ice Age Floods sucked rocks out of the basalt walls. (Image ©2003 Teri J. Pieper, courtesy of
byways.org)
'Sun Lakes State Park' overlooks
Dry Falls, a 400-foot deep canyon near
Coulee City, Washington,
USA that was formed by an ice age flood. Recreation opportunities include fishing, swimming, boating,
horse rentals, and a
golf course. There is an interpretive center on geologic formations. The park is located in
Grant County, Washington, along the
Grand Coulee.
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