Lac des Deux-Montagnes
Inland lake · Area 147.7 km² · 10 harbours
Show on mapPlan route from Club de voile Deux-Montagnes
Lac des Deux-Montagnes is an inland lake with no waterway to the sea (Canada). Area 147.7 km². Sailseer covers 10 harbours, including Club de voile Deux-Montagnes, Club de voile Senneville, Club nautique d'Hudson, Marina Bo-Bi-No Pointe-Calumet, Club de Voile des Laurentides.
Rules on the lake
Ottawa River: Parks Canada operates the Sainte-Anne-de-Bellevue and Carillon locks; 2026 season from 15 May to 12 October; CAD 1.50 per foot of boat length per lockage, free from 19 June to 7 September 2026. VHF channel 68. Boats in poor condition or with only one person on board are not locked through. Draught at the locks 2.74 m, clearance at the Carillon lock 12.8 m. The river is the border between Ontario and Quebec.
Harbours on the lake
Formalities
Frequently asked questions
Lac des Deux-Montagnes: What rules apply to boats?
Parks Canada operates the Sainte-Anne-de-Bellevue and Carillon locks; 2026 season from 15 May to 12 October; CAD 1.50 per foot of boat length per lockage, free from 19 June to 7 September 2026. VHF channel 68. Boats in poor condition or with only one person on board are not locked through. Draught at the locks 2.74 m, clearance at the Carillon lock 12.8 m. The river is the border between Ontario and Quebec.
Lac des Deux-Montagnes: How big is the lake?
Area 147.7 km².
Lac des Deux-Montagnes: Which harbours are there?
Sailseer covers 10 harbours, including Club de voile Deux-Montagnes, Club de voile Senneville, Club nautique d'Hudson, Marina Bo-Bi-No Pointe-Calumet, Club de Voile des Laurentides.