Lac du Rocher
47.1372° N, 72.9626° W
Lac du Rocher, Quebec. 47.1372° N, 72.9626° W
Maximum depth 15.4 m (1977 survey). Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/qc/lac-du-rocher-near-grande-anse/, 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 du Rocher is 15.4 m deep at its deepest point. It covers 0.29 km² and lies 6.3 km northwest of Grande-Anse, Quebec.
- Maximum depth
- 15.4 msurveyed 1977
- Area
- 0.29 km²
- Shoreline
- 3.4 km
- Elevation
- 327 m
Today on the water
4.1 °C
Observed at Mauricie, 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 | NW 20 | NW 15 | NW 10 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Temp. °C | 9 | 8 | 11 | 13 | 11 | 10 | 8 | 6 |
| Precip. % | 40 | 30 | 30 | 30 | 30 | 0 | 0 | 0 |
Tonight: Partly cloudy with 40 percent chance of showers. Wind west 20 km/h becoming light this evening. Low 8.
Weather: Mauricie (local forecast), as of 4:02 a.m. EDT
Sun and moon
- Civil dawn
- 6:31 a.m.
- Sunrise
- 7:01 a.m.
- Sunset
- 6:15 p.m.
- Civil dusk
- 6:46 p.m.
- Moonrise
- 5:51 a.m.
- Moonset
- 5:33 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Depth
The government depth survey from 1977 records a maximum depth of 15.4 m, drawn from 11 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 Depths are from government surveys and may be outdated.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.