Écluse de Beauharnois supérieure (4)
Lock · Saint Lawrence Seaway / Voie maritime du Saint-Laurent · Canada
Show on mapPlan route from Marina de Melocheville
Écluse de Beauharnois supérieure (4) is a lock (Saint Lawrence Seaway / Voie maritime du Saint-Laurent, Canada). Through the year: 8.5. to 10.5. and 15.5. to 18.10.: at 11:00 and 16:00; no service otherwise. Today: none.
Harbour info
Lock
Locking about 30 min
Location: 45° 18,29' N 073° 55,56' W
Locking times
Through the year: 8.5. to 10.5. and 15.5. to 18.10.: at 11:00 and 16:00; no service otherwise
| Day | Lockings |
|---|---|
| Sat 24/10 | none |
| Sun 25/10 | none |
| Mon 26/10 | none |
| Tue 27/10 | none |
| Wed 28/10 | none |
| Thu 29/10 | none |
| Fri 30/10 | none |
All times in local time (America/Toronto).
Times: St. Lawrence Seaway Management Corporation: Pleasure Craft Guide 2026, as of 2026-10-01
Fees
- Fee: Beauharnois, both locks together: CAD 50 (online)
Notes
- Lock according to OpenStreetMap.
- St. Lawrence Seaway for pleasure craft 2026: 8 to 10 May and 15 May to 18 October (from 8 September upbound only Mon, Wed, Fri and Sun, downbound Tue, Thu and Sat). The Canadian locks operate at fixed times (within one hour), booking and payment online only by 9:00 on the day, CAD 25 per lock; Snell and Eisenhower (USA) on demand without booking, USD 30 in exact cash or via pay.gov. At least 6 m and 900 kg, at most 35.5 m above the water, life jackets for everyone, not under sail, fenders but no car tyres, two people on the lines; Seaway radio only in an emergency (channel 16).
Harbours nearby
- Marina de Melocheville 1.6 km N
- Marina de Beauharnois 4.1 km E
- Club nautique de l'Île Perrot 9.5 km N
- Marina Île Perrot 9.6 km N
- Marina Allard 10.9 km N
- Hafen (Ville de L'Île-Perrot) 11 km N
- Baie-d'Urfé Yacht Club 11 km N
- Club de voile Senneville 13.1 km N
Frequently asked questions
Écluse de Beauharnois supérieure (4): What are the locking times?
Through the year: 8.5. to 10.5. and 15.5. to 18.10.: at 11:00 and 16:00; no service otherwise. Today: none.
Écluse de Beauharnois supérieure (4): How much does it cost to pass through?
Beauharnois, both locks together: CAD 50 (online)
Sources: OpenStreetMap way/124130145, St. Lawrence Seaway Management Corporation: Pleasure Craft Guide 2026, St. Lawrence Seaway Management Corporation: Pleasure Craft (Saison, Zeiten, Gebühren 2026), Federal Register 2026-05162: Seaway Regulations and Rules, Tariff of Tolls (Sportboote)