My Dad bought me an Old Town Tripper touring canoe over 30 years ago. I have lost count of the trips it has been on. Big, heavy and will carry over 700 lbs. It has taken a ton of use, and some abuse (when it was loaned out), and is still a rugged water craft. A friend and I took it over a small waterfall in the Bangor Canoe race a "few" years back, and the canoe was A-Ok, unlike us...LOL!
Do not loan out your canoe! The fat SOB that USED to be married to my sister dropped it off a moving car, 'cause he was too lazy to tie it on with ropes, and thought he could hold onto to it through the car window. Idiot! The canoe dropped at 30 MPH and scratched and dinged it up, but nothing broke and she is still in A-1 shape!