Claim: Alberta Highway 570 has major intersections located in Dorothy, Big Stone, and in one of the towns within the Red Deer River.
Evidence: Dorothy Big Stone Communities located along the Red Deer River include Sundre, Red Deer, Drumheller, and Empress, The city of Brooks, as well as Dinosaur Provincial Park, are also located in the Red Deer River Basin. It lies in the Red Deer River valley and has an elevation of 675 m (2,215 ft). Hwy 10 (Hoo Doo Trail) to Hwy 569 – Dalum, East Coulee, Town Centre