Lac du Castor

48.0659° N, 68.3076° W

Lac du Castor, Quebec. 48.0659° N, 68.3076° W

Maximum depth 6.2 m. Scale bar on the map.

Not for navigation. Depths are from government surveys and may be outdated.

borealbound.ca/lakes/qc/lac-du-castor-near-lac-rimouski/, 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 Castor is 6.2 m deep at its deepest point. It covers 0.38 km² and lies 9.1 km west of Lac-Rimouski, Quebec.

Today on the water

7.4 °C

Wind SW 24 km/h

Observed at Rimouski, as of 7:00 a.m. EDT

Wind from the southwest: the southwest shore is the sheltered side.

Hourly forecast, next 24 hours
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 20	W 20	W 20	W 20	W 20	W 30	W 30	W 30
Gusts km/h	40	40	40	40	40	50	50	50
Temp. °C	8	8	10	7	7	6	6	5
Precip. %	30	30	30	30	0	0	0	0

Today: A mix of sun and cloud. 30 percent chance of showers. Wind west 20 km/h gusting to 40. High 10. UV index 3 or moderate.

Weather: Rimouski (local forecast), as of 7:02 a.m. EDT

The government depth survey records a maximum depth of 6.2 m, drawn from 13 depth contours.

Not for navigation. Depths are from government surveys and may be outdated.