Lac Saint-Louis
46.373° N, 74.4231° W
Lac Saint-Louis, Quebec. 46.373° N, 74.4231° W
Maximum depth 18.8 m. Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/qc/lac-saint-louis-near-saint-donat-de-montcalm/, compiled October 9, 2026
- Canadian Geographical Names Database, Natural Resources Canada. Contains information licensed under the Open Government Licence – Canada.
- HydroLAKES v1.0, Messager et al. 2016 / WWF HydroSHEDS. Licensed under CC BY 4.0.
- Census boundaries and population, 2021, Statistics Canada. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada.
- Géobase des bathymétries de lac du Québec (GBLQ), Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs. Licensed under CC BY 4.0. Source: Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP), Données Québec.
- City page weather forecasts and alerts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
Lac Saint-Louis is 18.8 m deep at its deepest point. It covers 1.37 km² and lies 15 km west of Saint-Donat-de-Montcalm, Quebec.
- Maximum depth
- 18.8 m
- Area
- 1.37 km²
- Shoreline
- 13.2 km
- Elevation
- 535 m
Today on the water
2.2 °C
Observed at Mont-Tremblant, as of 7:00 a.m. EDT
| Time | 8 a.m. | 11 a.m. | 2 p.m. | 5 p.m. | 8 p.m. | 11 p.m. | 2 a.m. | 5 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 10 | W 10 | W 20 | W 20 | W 10 | W 10 | NW 10 | NW 10 |
| Temp. °C | 8 | 9 | 9 | 8 | 5 | 2 | 0 | -1 |
| Precip. % | 40 | 40 | 40 | 40 | 0 | 0 | 0 | 0 |
Today: A mix of sun and cloud with 40 percent chance of showers. Wind becoming west 20 km/h near noon. High 9. UV index 3 or moderate.
Weather: Mont-Tremblant (local forecast), as of 7:03 a.m. EDT
Sun and moon
- Civil dawn
- 6:36 a.m.
- Sunrise
- 7:06 a.m.
- Sunset
- 6:22 p.m.
- Civil dusk
- 6:52 p.m.
- Moonrise
- 5:57 a.m.
- Moonset
- 5:40 p.m.
- Moon
- Waning crescent, 1% lit
Depth
The government depth survey records a maximum depth of 18.8 m, drawn from 19 depth contours.
Not for navigation. Depths are from government surveys and may be outdated.