As a young boy rafting with his grandparents, Dinosaur River Expeditions owner Tyler Callantine experienced his first whitewater rapids on the Green River and Yampa River—the same routes that his grandfather explored in the 1940s. Years later, he and his wife Jennifer extend the tradition to new generations, exposing novice rafters and seasoned adventurers alike to the clean, churning waters, red stone cliffs, and verdant pine trees of the Utah wilderness. Like Tyler, many of the staff members honed their expertise on the two waterways, granting them the unique know-how to expound on local lore and decipher the 700-year-old rock carvings’ “Do Not Touch” signs during hikes to McConkie Ranch..