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Ancient Petroglyphs On The Temani Pesh-Wa Trail. Ancient Petroglyphs Are Seen Along The Temani Pesh-Wawritten On Rock Trail As A Guided Tour. When The Dalles Dam Was Built A Small Selection Of Petroglyphs Were Removed From Petroglyph Canyon And Eventually Placed Here At Columbia Hills State Park In Washington. Petroglyph Canyon And The Remaining Petroglyphs Were Submerged By The Rising Waters.