Lock 20 Trent Severn Waterway July 14, 2024 / shellerina First time lockers, Sasha & Lia, entered Lock 20 with us and 3 other cruisers. We were all heading to the famous Peterborough Lift Lock (# 21), which is about 0.6 miles north of this lock. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like this:Like Loading... Related