Petroglyphs of Utah Sego Canyon – Hunting for petroglyphs or ancient rock art can sometimes take you to amazing places. Other times they are almost hiding in plain sight but you need to know where to go. Sego Canyon is just off of Interstate 70 and only 20 – 30 minutes down the road. It’s tucked away into a canyon once used for mining operations. This location has petroglyphs from several peoples; Fremont, Ute, and Barrier Canyon Style. The Barrier style is possibly the oldest, dating back to ap