Sequence on people on yachts and cabin cruisers waiting for the opening of the locks at Chambly canal showing yachts going down canal, locks employees and other yachts arriving, swing bridge over canal being closed, employees at work and boats waiting. Shots of boats moving away down canal, of train moving on railway bridge over canal, of family on yacht arriving in locks, employeees closing swing bridge behind them, of people on yacht as water is lowered in locks, of opening of gates and yacht leaving locks. (00/08/1975)