Lac du Grand Duc
49.1438° N, 73.6523° W
Lac du Grand Duc, Quebec. 49.1438° N, 73.6523° W
Maximum depth 8.2 m (2018 survey). Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/qc/lac-du-grand-duc/, 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.
Lac du Grand Duc is 8.2 m deep at its deepest point. It covers 1.62 km² and lies 30 km west of Poisson-Blanc, Quebec.
- Maximum depth
- 8.2 msurveyed 2018
- Area
- 1.62 km²
- Shoreline
- 18.5 km
- Elevation
- 367 m
Sun and moon today
- Civil dawn
- 6:34 a.m.
- Sunrise
- 7:06 a.m.
- Sunset
- 6:16 p.m.
- Civil dusk
- 6:48 p.m.
- Moonrise
- 5:55 a.m.
- Moonset
- 5:34 p.m.
- Moon
- Waning crescent, 1% lit
Depth
The government depth survey from 2018 records a maximum depth of 8.2 m, drawn from 63 depth contours.
Not for navigation. Depths are from government surveys and may be outdated.