Great Loop Planning Resource

Ontario Great Loop Locks

Explore 100 reviewed public Great Loop lock references in Ontario, including locations, VHF channels, phone numbers, waterways, and planning notes.

275Reviewed public locks
19States / provinces
29Waterways
275Total imported reference rows

Lock Map

Search and browse reviewed Great Loop lock references.

Locks in Ontario

100 reviewed public lock references are available for this Great Loop view.

Iroquois Lock

Iroquois, ON • St. Lawrence Seaway

VHF
14 verify
Phone
Seaway pleasure craft contact / verify current notice

Lock 1 - Trenton

Trenton, ON • Trent-Severn Waterway

VHF
14
Phone
(613) 392-3334

Lock 18 - Hastings

Hastings, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Lock 2 - Sydney

Astra, ON • Trent-Severn Waterway

VHF
None listed
Phone
(613) 392-8160

Lock 23 - Otonabee

Otonabee, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Lock 24 - Douro

Douro, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Lock 26 - Lakefield

Lakefield, ON • Trent-Severn Waterway

VHF
None listed
Phone
(705) 652-3056

Lock 30 - Lovesick

Lovesick, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Lock 31 - Buckhorn

Buckhorn, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Lock 33 - Lindsay

Lindsay, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Lock 35 - Rosedale

Rosedale, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Lock 37 - Bolsover

Bolsover, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Lock 38 - Talbot

Talbot, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Lock 39 - Portage

Portage, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Lock 4 - Batawa

Batawa, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Lock 40 - Thorah

Thorah, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Lock 5 - Trent

Trent, ON • Trent-Severn Waterway

VHF
None listed
Phone
(613) 398-7018

Lock 6 - Frankford

Frankford, ON • Trent-Severn Waterway

VHF
None listed
Phone
(613) 398-6495

Lock 7 - Glen Ross

Glen Ross, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Lock 9 - Meyers

Meyers, ON • Trent-Severn Waterway

VHF
None listed
Phone
705-750-4900

Learn & Prepare

How to LockStep-by-step guide VHF Call ScriptsWhat to say Lock EtiquetteDo's and don'ts Gear ChecklistWhat you need Common MistakesWhat to avoid

How to Lock Through

Approach slowly, prepare lines and fenders before arrival, monitor the published VHF channel when available, and follow lockmaster instructions.

VHF Call Scripts

Use the lock name, vessel name, direction of travel, and your request. Confirm current instructions before entering.

Lock Etiquette

Keep wake down near approaches, brief crew before entering, yield as directed, and avoid crowding other vessels.

Gear Checklist

Have fenders, lines, gloves, PFDs, boat hooks, and a working radio ready before reaching the approach.

Common Mistakes

Do not rely on old schedules, stale notes, or unofficial status reports. Check current notices and local lock instructions.

Navigation Safety Note

This page is a planning reference, not a substitute for official notices, charts, lockmaster instructions, or current local conditions. Always confirm lock status, operating hours, closures, restrictions, and instructions with the official authority before arrival.