Lac Saint-Onge
48.4137° N, 69.4113° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Lac Saint-Onge, Quebec. 48.4137° N, 69.4113° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/qc/lac-saint-onge-near-trois-pistoles/, 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.
- États trophiques des lacs (RSVL), 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 Saint-Onge covers 0.83 km², making it larger than 71% of the 29,407 lakes in Quebec. It lies 5.6 km southwest of Les Îlets.
- Area
- 0.83 km²
- larger than 71% of the 29,407 lakes in Quebec
- Shoreline
- 7 km
- longer than 70% of the 29,407 lakes in Quebec
- Water clarity
- 1.2 mSecchi depth, 2025
- less clear than 97% of the 805 monitored lakes in Quebec
- Elevation
- 106 m
Today on the water
6.6 °C
Observed at Escoumins, as of 10:00 a.m. EDT
calm Estimated waves, next 12 hours: up to 0.1 m. Around 11 a.m., wind from the west: the west shore is sheltered, waves build toward the east shore.
| Time | 11 a.m. | 2 p.m. | 5 p.m. | 8 p.m. | 11 p.m. | 2 a.m. | 5 a.m. | 8 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 20 | W 20 | W 20 | W 20 | W 20 | NW 30 | NW 30 | NW 20 |
| Gusts km/h | 40 | 40 | 40 | 40 | 40 | 50 | 50 | 40 |
| Waves (est.) m | 0.1 | 0.1 | 0.1 | 0.1 | ||||
| Temp. °C | 8 | 10 | 8 | 6 | 6 | 6 | 6 | 4 |
| Precip. % | 0 | 30 | 30 | 0 | 0 | 0 | 0 | 0 |
Today: A mix of sun and cloud. 30 percent chance of showers this afternoon. Wind becoming west 20 km/h gusting to 40 this morning. High 10. UV index 3 or moderate.
Weather: Escoumins (local forecast), as of 10:04 a.m. EDT
Sun and moon
- Civil dawn
- 6:17 a.m.
- Sunrise
- 6:48 a.m.
- Sunset
- 6:00 p.m.
- Civil dusk
- 6:31 p.m.
- Moonrise
- 5:37 a.m.
- Moonset
- 5:18 p.m.
- Moon
- Waning crescent, 1% lit
Depth
Not for navigation. Depths are from government surveys and may be outdated.
Water
Trophic status from the latest monitoring: eutrophic.
Clarity was measured with a Secchi disk in 13 years between 2010 and 2025; the latest annual mean is 1.2 m.