Lac de L'Assomption
46.4609° N, 74.0516° W
Lac de L'Assomption, Quebec. 46.4609° N, 74.0516° W
Maximum depth 28 m. Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/qc/lac-de-l-assomption/, 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 de L'Assomption is 28 m deep at its deepest point. It covers 1.49 km² and lies 21 km northeast of Saint-Donat-de-Montcalm, Quebec.
- Maximum depth
- 28 m
- Area
- 1.49 km²
- Shoreline
- 19.6 km
- Elevation
- 300 m
Today on the water
5.1 °C
Observed at Saint-Michel-des-Saints, as of 4:00 a.m. EDT
| Time | 6 a.m. | 9 a.m. | 12 p.m. | 3 p.m. | 6 p.m. | 9 p.m. | 12 a.m. | 3 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 10 | W 10 | W 20 | W 20 | W 15 | W 10 | W 10 | W 10 |
| Temp. °C | 4 | 6 | 7 | 7 | 5 | 4 | 3 | 1 |
| Precip. % | 30 | 30 | 30 | 30 | 0 | 0 | 0 | 0 |
Today: A mix of sun and cloud with 30 percent chance of showers. Wind becoming west 20 km/h near noon. High 8. UV index 3 or moderate.
Weather: Saint-Michel-des-Saints (local forecast), as of 5:05 a.m. EDT
Sun and moon
- Civil dawn
- 6:35 a.m.
- Sunrise
- 7:05 a.m.
- Sunset
- 6:20 p.m.
- Civil dusk
- 6:50 p.m.
- Moonrise
- 5:56 a.m.
- Moonset
- 5:38 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Depth
The government depth survey records a maximum depth of 28 m, drawn from 19 depth contours.
Not for navigation. Depths are from government surveys and may be outdated.
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.