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37-acre lake near Québec. The lake tops out around 33 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. What the data behind the map says about each species, season by season:
Drawn out, this is 37 acres of water rimmed by 1 miles of bank. A shoreline index of 1.2 says round and simple: fish relate to depth changes here, not shoreline features. About 48% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Figure 0.4 mi of water from one end to the other, 0.2 mi at the beam. The water lies in La Matanie MRC. The nearest mapped water is Étang de la Montagne, 2 mi to the northwest.
Carte de pêche interactive gratuite — Lac du Gros Ruisseau, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 10 m (33 pi), et les meilleurs sites pour omble de fontaine et ouananiche. Les profondeurs proviennent de la Géobase des bathymétries de lac du Québec (MELCCFP) lorsque disponibles.
Start shallow in spring: brook trout sit in 2 to 15 ft that time of year. Warm water sends them out to 10 to 30 ft; cold water stacks them in 3 to 20 ft. Top water on the chart: Deep basin, a deep basin in the 31 ft range, prime in summer. Fish it in early morning and the evening and you'll meet the bite. Throw a small spoon fished deep or a trolled lake-clear wobbler + worm until the fish tell you otherwise.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 2 to 15 ft | dawn & dusk | Shallow bay flat (2 ft) | Small inline spinner (gold), Tiny spoon |
| Été | 10 to 30 ft | dawn & dusk | Deep basin (31 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Automne | 2 to 15 ft | midday & dawn | open water | Small spoon (orange), Spinner |
| Hiver | 3 to 20 ft | dawn | Back-bay flat (5 ft) | Small jigging spoon, Tungsten jig + plastic |
The spring pattern is a shallow one: landlocked salmon in 1 to 15 ft. Midsummer fish sit out in 10 to 33 ft before dropping to 8 to 33 ft for winter. The spot to know is Deep basin, a deep basin in about 31 ft of water that rates prime for landlocked salmon in summer. Plan around early morning and the evening in the warm months. Summer baits: a dodger + streamer down deep or a thin spoon on lead core gets it done.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 1 to 15 ft | dawn & dusk | open water | Streamer flies (Grey Ghost) off boards, Thin spoon (Mooselook style) |
| Été | 10 to 33 ft | dawn & dusk | Deep basin (31 ft) | Dodger + streamer down deep, Thin spoon on lead core |
| Automne | 5 to 30 ft | dawn & dusk | open water | Casting spoon at the mouths, Streamers |
| Hiver | 8 to 33 ft | dawn | Deep basin (31 ft) | Small jigging spoon, Swedish pimple + smelt |
Structure-wise the chart holds 3 features, led in depth by Deep basin at roughly 31 ft.
Season dates, license requirements, and size and bag limits for Québec waters are set by the Québec sport fishing rules (MELCCFP) — and special regulations can apply to Lac du Gros Ruisseau specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac du Gros Ruisseau is about 33 ft (10 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Lac du Gros Ruisseau atteint environ 10 m (33 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target brook trout, landlocked salmon on Lac du Gros Ruisseau. This species list is an informed estimate from Québec's provincial fish-range maps (bounded by each lake's depth and habitat), not a per-lake fish survey — Québec doesn't publish per-lake species records.
Deep basin is the top-rated area: a deep basin in about 31 ft of water that rates prime for landlocked salmon in summer. Open the map above to see every rated spot for each species and season.
For brook trout, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Lac du Gros Ruisseau is regulated by the Québec sport fishing rules (MELCCFP). Check the official Québec regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Étang de la Montagne 2 mi · Lac Matane 2 mi · Lac Pérot 3 mi · Lac Le Clercq 3 mi · Lac Lebreux 4 mi · Lac de la Tête 5 mi · Lac Gigon 5 mi · Étang Tallard 6 mi · Lac Beaulieu 7 mi · Lac Bonjour 7 mi · Étang à la Truite 9 mi · Lac Mius 9 mi
See how Lac du Gros Ruisseau stacks up: best brook trout lakes in Québec · best landlocked salmon lakes in Québec
More water nearby: La Matanie MRC fishing maps (32 charts). Browse all Québec fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.