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14-acre lake near Québec. The lake tops out around 26 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 follows comes from the same scoring engine that paints the spots above.
Traced from the shoreline, Lac Lonion runs 14 acres with 0.6 miles of edge. A shoreline index of 1.1 says round and simple: fish relate to depth changes here, not shoreline features. Roughly 60% of the water is 15 ft or less, the band where the food chain lives. The water lies in La Jacques-Cartier MRC. For a second option, Lac Dion lies 1 mi southwest.
Carte de pêche interactive gratuite — Lac Lonion, Québec : courbes de profondeur issues de relevés bathymétriques réels jusqu'à 8 m (26 pi), et les meilleurs sites pour omble de fontaine, doré jaune et perchaude. 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 8 to 26 ft; cold water stacks them in 3 to 20 ft. Top water on the chart: Deep basin, a deep basin in the 26 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 (7 ft) | Small inline spinner (gold), Tiny spoon |
| Été | 8 to 26 ft | dawn & dusk | Deep basin (26 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 | Shallow bay flat (7 ft) | Small jigging spoon, Tungsten jig + plastic |
Early season walleye use the shallows, holding in 4 to 15 ft. Summer is an 8 to 26 ft game here, winter an 8 to 26 ft one. The chart's best answer is Deep basin — deep basin, 26 ft, prime for winter. Best bite is the evening and early morning. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 4 to 15 ft | dusk & dawn | open water | 1/8 oz jig + minnow, Hair jig |
| Été | 8 to 26 ft | dusk & dawn | Deep basin (26 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Automne | 8 to 26 ft | dusk & night | Deep basin (26 ft) | Jigging rap, Jig + big minnow |
| Hiver | 8 to 26 ft | dusk & dawn | Deep basin (26 ft) | Jigging spoon + minnow head, Rattle bait |
Spring yellow perch on Lac Lonion hold shallow, usually 3 to 12 ft. By summer they slide out to 8 to 26 ft, and by winter most fish are in 8 to 26 ft. The chart's best answer is Shallow bay flat — weed flat, 7 ft, prime for spring. Prime time lands in early morning. The summer box starts with a drop-shot micro plastics or a small spoon tipped with worm.
| Saison | Profondeur | Meilleure fenêtre | Commencer à | Leurres |
|---|---|---|---|---|
| Printemps | 3 to 12 ft | midday & dawn | Shallow bay flat (7 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Été | 8 to 26 ft | dawn | Deep basin (26 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Automne | 8 to 26 ft | midday | Deep basin (26 ft) | Jigging spoon (small), Perch rig / spreader |
| Hiver | 8 to 26 ft | midday & dawn | Deep basin (26 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Lac Lonion carries 3 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 26 ft down.
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 Lonion specifically, so confirm the current rules before you fish.
Check the official Québec fishing regulations →
Lac Lonion is about 26 ft (8 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Lac Lonion atteint environ 8 m (26 pi) à son point le plus profond. Les profondeurs proviennent de relevés bathymétriques réels.
Anglers target brook trout, walleye, yellow perch on Lac Lonion. 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 26 ft of water that rates prime for walleye in winter. The interactive chart above rates every 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 Lonion 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.
Lac Dion 1 mi · Lac Jonquart 2 mi · Lac McCormick 2 mi · Lac Gavitt 2 mi · Lac Grossin 3 mi · Lac Croche 3 mi · Lac de la Bouteille 3 mi · Lac des Mâles 3 mi · Lac Comax 3 mi · Lac Coutra 4 mi · Lac Nikik 5 mi · Lac aux Rognons 6 mi
See how Lac Lonion stacks up: best walleye lakes in Québec · best yellow perch lakes in Québec · best brook trout lakes in Québec
More water nearby: La Jacques-Cartier MRC fishing maps (43 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.