Map of Lac de la Belle Rivière with depth contours

Lac de la Belle Rivière

48.2409° N, 71.731° W

Depth contours from the 1979 government survey. Not for navigation.

Download the depth map (SVG)

Lac de la Belle Rivière is 8.3 m deep at its deepest point, shallower than 80% of the 1,506 surveyed lakes in Quebec. It covers 6.66 km² and lies 19 km southeast of Métabetchouan–Lac-à-la-Croix.

Maximum depth
8.3 msurveyed 1979
shallower than 80% of the 1,506 surveyed lakes in Quebec
Area
6.66 km²
larger than 93% of the 29,407 lakes in Quebec
Shoreline
36.5 km
longer than 93% of the 29,407 lakes in Quebec
Elevation
344 m

Today on the water

7.1 °C

Observed at Alma, as of 2:00 a.m. EDT

choppy Estimated waves, next 12 hours: up to 0.2 m. Around 5 a.m., wind from the west: the west shore is sheltered, waves build toward the east shore.

Hourly forecast, next 24 hours
Time5 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/hW 15W 20W 20W 20W 20W 20W 20W 20
Gusts km/h40404040404040
Waves (est.) m0.20.20.20.2
Temp. °C54678433
Precip. %4040404040303030

Tonight: Mainly cloudy with 40 percent chance of showers. Wind west 20 km/h gusting to 40 becoming light this evening. Low plus 4.

Weather: Alma (local forecast), as of 4:05 a.m. EDT

Sun and moon

Civil dawn
6:26 a.m.
Sunrise
6:57 a.m.
Sunset
6:09 p.m.
Civil dusk
6:40 p.m.
Moonrise
5:47 a.m.
Moonset
5:27 p.m.
Moon
Waning crescent, 1% lit

Data Source: Environment and Climate Change Canada. Local times.

How waves are estimated

Significant wave height from the forecast hourly wind and the open-water distance (fetch) upwind, using the SMB method (US Army Corps of Engineers Shore Protection Manual, 1984), rounded up to the next 0.1 m. It is not a measurement: gusts, leftover swell and shoals can make water rougher. Under 0.2 m: calm; 0.2–0.5 m: choppy; over 0.5 m: rough.

Depth

53% of Lac de la Belle Rivière is shallower than 3 m.

How to read it: the lake’s area is sorted from the shore to the deepest point. Where the curve is flat, large areas share one depth (flats and weed beds); where it drops, depth changes quickly (drop-offs).

The government depth survey from 1979 records a maximum depth of 8.3 m, drawn from 19 depth contours.

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 Depths are from government surveys and may be outdated.