Lac au Tonnerre
46.551° N, 73.3273° W
Lac au Tonnerre, Quebec. 46.551° N, 73.3273° W
Maximum depth 12.6 m. Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/qc/lac-au-tonnerre-near-saint-gabriel/, 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 au Tonnerre is 12.6 m deep at its deepest point. It covers 0.41 km² and lies 29 km north of Saint-Gabriel, Quebec.
- Maximum depth
- 12.6 m
- Area
- 0.41 km²
- Shoreline
- 8 km
- Elevation
- 324 m
Today on the water
7.4 °C
Observed at Lanaudière, as of 4:00 a.m. EDT
| Time | 5 a.m. | 8 a.m. | 11 a.m. | 2 p.m. | 5 p.m. | 8 p.m. | 11 p.m. | 2 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 10 | W 10 | W 20 | W 20 | W 20 | W 10 | W 10 | W 10 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Temp. °C | 8 | 7 | 12 | 13 | 14 | 9 | 6 | 5 |
| Precip. % | 40 | 0 | 0 | 40 | 40 | 0 | 0 | 0 |
Tonight: Partly cloudy with 40 percent chance of showers. Wind west 20 km/h gusting to 40 becoming light this evening. Low 7.
Weather: Lanaudière (local forecast), as of 4:01 a.m. EDT
Sun and moon
- Civil dawn
- 6:32 a.m.
- Sunrise
- 7:02 a.m.
- Sunset
- 6:17 p.m.
- Civil dusk
- 6:47 p.m.
- Moonrise
- 5:53 a.m.
- Moonset
- 5:35 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 12.6 m, drawn from 21 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 Depths are from government surveys and may be outdated.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.