Canoeing For the more adventurous river traveler, recommended for age 10 years and up, some skill involved. Average river trip by canoe is 4 to 6 hours long (10-15 miles), paddling leisurely but consistently. We recommend capacity of 2 adults per canoe.     Boat Rentals All rentals are for the day. Our bases open at 8 am on weekends and 9 am weekdays. Boats must be returned to any one of our 10 bases by 6 pm. All rentals include paddles, life jackets and safety instructions/trip orientation. Boating instructions available for the novice upon request. All river users must be above 5 years of age, be able to swim and weigh a minimum of 40 lbs. Actual trip length will vary depending on type of craft, river conditions, weather and personal preference.