Hartley Nature Center is an amazing and adventurous outdoor attraction offering cross-country ski trails, year-round nature trails, a nature exhibit hall, and more. It offers spectacular views and exploration for the whole family, and is just 14 miles from our resort, located at 3001 Woodland Avenue, Duluth MN 55803. Call 218-724-6735 for more information, or visit http://hartleynature.org/