Treadwell Marina
Ottawa River · Canada
Plan route from Treadwell MarinaShow on map
Treadwell Marina is a harbour in the Ottawa River cruising area, Canada. The nearest harbour by water is Hafen (Montebello) (3.8 nm). With Sailseer you can plan passages from here with weather from nine models, tides, currents and bridge times.
Harbour info
Water depth: no information
Location: 45° 35,88' N 075° 00,70' W
Waters: Ottawa River · Lake with no waterway to the sea
From OpenStreetMap (node/6644442234).
10-day outlook
| Day | Wind kn | Gusts kn | from | Weather | ||
|---|---|---|---|---|---|---|
| loading … | ||||||
Strongest wind and gust per day, mean of ECMWF and GFS; from day six only a trend. Hourly forecast, models and warnings on the map
Nearest harbours by water
- Hafen (Montebello) 3.8 nm NE · Plan route
- Marina Municipale 4.5 nm NE · Plan route
- Marina Richard 4.5 nm NW · Plan route
- Hafen (Wendover) 4.9 nm SW · Plan route
- Marina de Lefaivre 6.4 nm NE · Plan route
- Marina de l'Orignal 15 nm E, via Brücke (Traversier Fassett-Lefaivre) · Plan route
Harbour guides and charts
- OpenSeaMap Chart with buoys, lights and harbour details
- OpenStreetMap Map with paths, shops and addresses ashore
- Google Maps Satellite view, Street View, opening hours ashore
- Windy Webcams Webcams nearby
- Navily Photos, reviews, prices and berth booking
- noforeignland Anchorages, services and reports from cruising sailors
Rules and formalities
- Formalities: Canada
- Ottawa River
- 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.
Frequently asked questions
Which harbours are near Treadwell Marina?
By water: Hafen (Montebello) (3.8 nm), Marina Municipale (4.5 nm), Marina Richard (4.5 nm), Hafen (Wendover) (4.9 nm), Marina de Lefaivre (6.4 nm), Marina de l'Orignal (15 nm).
What is the weather like in Treadwell Marina?
For Treadwell Marina, Sailseer shows the 10-day outlook from ECMWF and GFS and, on the map, the hourly forecast from nine models with official warnings and measured wind.
Sources: OpenStreetMap node/6644442234 (as of 2026-10-21) Location and facilities partly from OpenStreetMap (© OpenStreetMap contributors, ODbL).