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Rideau Canal National Historic Site of Canada

Locking Through

Locking Downstream

1. Boat enters the lock and the lock gates are closed.

2. Lower gate valves are opened and water flows out of the lock chamber.

3. Water levels start to descend out of the lock chamber.

4. Water level is equalized.

5.. Lower gate valves are closed.

6. Lock gates are opened and the boat exits the lock.

Locking Downstream