Discovering Ontario · Drawing 15 of 32
The Peterborough Lift Lock
Peterborough · Ontario
At Peterborough, a boat can rise inside a large tank of water. The other tank moves down. This unusual lift helps boats change height.
Did you know?
The Peterborough Lift Lock opened in 1904.
Look together
Which tank is higher in the drawing?
An idea to try
Use your open hands to show one tank rising while the other goes down.
For the adult reading along
A little more to discover
This hydraulic lock on the Trent–Severn Waterway carries boats in two water-filled chambers. Rams support the chambers. The system balances their weights and uses extra water to start the movement. The illustration is a simplified view of the structure, not a construction plan.
Look together: Which tank is higher in the drawing? Use your open hands to show one tank rising while the other goes down.
Sources and illustration notes (1)
Simplified interpretation for colouring. Settings and people may be composed. Details, distances and proportions are not a measured record of the place.
These links lead to other websites. Explore them with an adult. Source titles appear in their original language; some linked pages are in French.
- Parks Canada: Lock 21, Peterborough Lift LockPlace, history or natural feature described on this page.
Source review: 2026-10-02. Illustrations are simplified for colouring.
