The Sweet Lillies – Wild Yampa Colorado, Utah WHERE: Yampa River in CO to the Green River, UT DURATION: 5 Days / 72 Miles LEVEL: Class III-IV Rapids Beginner/Intermediate Minimum 7 years old and 50 lbs. LEARN MORE Event Date June 15, 2023 - June 19, 2023 Location Dinosaur National Monument East 1500 South, Jensen, UT, USA Open in Maps