Mondays – Tuesdays, June 14, 15, 21, 22, 9:45 am, Dillon Marina. Enjoy 360? views of the mountains and find out interesting facts during a one hour pontoon boat interpretive tour of Lake Dillon. $7.00 per person, reservations required. Minimum age: 7 years. Call 970-468-5100 or visit Dillonmarina.com for more information.