Lac de la Tonne
49.08° N, 65.9149° W
Depth contours from the 1974 government survey. Not for navigation.
Download the depth map (SVG)Lac de la Tonne, Quebec. 49.08° N, 65.9149° W
Maximum depth 1.6 m (1974 survey). Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/qc/lac-de-la-tonne-near-mont-louis/, 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 de la Tonne is 1.6 m deep at its deepest point, shallower than 100% of the 1,506 surveyed lakes in Quebec. It covers 0.1 km² and lies 14 km east of La Colonie.
- Maximum depth
- 1.6 msurveyed 1974
- shallower than 100% of the 1,506 surveyed lakes in Quebec
- Area
- 0.1 km²
- smaller than 100% of the 29,407 lakes in Quebec
- Shoreline
- 1.4 km
- shorter than 99% of the 29,407 lakes in Quebec
- Elevation
- 674 m
Today on the water
8.6 °C
Observed at Gaspésie (Parc national), as of 3:00 a.m. EDT
calm Estimated waves, next 12 hours: up to 0.1 m. Around 4 a.m., wind from the west: the west shore is sheltered, waves build toward the east shore.
| Time | 4 a.m. | 7 a.m. | 10 a.m. | 1 p.m. | 4 p.m. | 7 p.m. | 10 p.m. | 1 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 15 | W 20 | W 20 | W 20 | W 20 | W 20 | W 30 | W 30 |
| Gusts km/h | 40 | 40 | 40 | 40 | 40 | 50 | 50 | |
| Waves (est.) m | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |||
| Temp. °C | 5 | 3 | 6 | 6 | 5 | 3 | 2 | 2 |
| Precip. % | 0 | 0 | 0 | 30 | 30 | 30 | 30 | 30 |
Tonight: A few showers ending before morning then cloudy. Fog patches dissipating near midnight. Low plus 3.
Weather: Gaspésie (Parc national) (local forecast), as of 3:03 a.m. EDT
Sun and moon
- Civil dawn
- 6:03 a.m.
- Sunrise
- 6:35 a.m.
- Sunset
- 5:45 p.m.
- Civil dusk
- 6:17 p.m.
- Moonrise
- 5:23 a.m.
- Moonset
- 5:03 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Depth
The government depth survey from 1974 records a maximum depth of 1.6 m, drawn from 7 depth contours.
- Download the depth map (SVG)Printing this page gives the map on one sheet, with scale and sources.
- Official government depth map (PDF)
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.