Adventures in Denali Park! We offer activities for everyone ages 5 & up. Come enjoy our fully guided and outfitted whitewater rafting adventures with Custom Drysuits! Choose from class I-IV with paddle rafting or oar rafting options available. The Nenana River forms the eastern boundary of Denali National Park for over 40 miles. Try the 2-hour "Canyon Run" for whitewater action, the 2-hour "Scenic Wilderness" mild-water float trip, or the 4-hour "Nenana Half-day" which combines both sections. We also offer kayaking, canoe rentals and bike tours & rentals. Fun and professional guides will share their knowledge and expertise. Our headquarters are situated on the shores of Otto Lake with camping and cabins. Military, group and youth discounts. Free shuttles! Open 7 days, mid-May to mid-Sept.