Guide to Old Slys Locks, Smiths Falls – Rideau Canal

Lock Station Dates & Hours: the system usually opens around the Victoria Day weekend at the end of May and closes around the Canadian Thanksgiving in early October. The last day of operation for 2021 is 11th October. Lock hours vary with season and can be viewed on the official Rideau Canal site.

General Information

Lock Number(s)/Flights: #26-27 in flight

Lock Lift metres (feet): 4.9 (16.1)

Co-ordinates (Google maps): 44.89328, -76.00435

Civic Address: 9 Old Slys Road, Smiths Falls, Ontario

Lock Station Phone: 613-283-2663

Portage: Not recommended at this lock as it requires crossing a busy road. Lock transit is free for kayaks and canoes at this lock

Boat launch: No

Kayak/Canoe Launch: Yes

Previous Lock(Distance): Edmunds Lock (2.7)

Next Lock (Distance): Smiths Falls Combined Lock (1.4)


Parking: Yes (free) (opposite side of the road from the locks.

Camping: Yes ($), if arriving by water and also for cyclists and hikers.

BBQ/Picnic Tables: Picnic tables & BBQs

Washrooms: Yes

Power Supply: Nothing dedicated but you can charge electronics in the washrooms (not secure)

Garbage/Recycling: Yes

Potable (Drinking) Water: Yes, but do check with the lockmaster.

Public Telephone: No


Local Supplies:

Hiking Trails: Cross the road to the sports fields and there is a canal side walk that takes you all the way to the Smiths Falls Detached Lock.

Cell Phone Reception: