Petroglyphs at Columbia Hills State Park, Wa.
The site where these petroglyphs were discovered is now underwater behind The Dalles Dam on the Columbia River. Forty-three were rescued and are now on display at Columbia Hills State Park in Wa. across the river from The Dalles, Or. There are a lot more that are now under about 60 feet of water.
The trail is about a half mile long and the surface is somewhat rocky and uneven. Visitation is by appointment only on Thursdays and Fridays, April through October.
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