Complete guide to fishing Lake Saint-Pierre: species (walleye, pike, perch under moratorium, bass), 2026 rules, sectors, boat ramps.
Lake Saint-Pierre — Quebec's freshwater fishing powerhouse
Lake Saint-Pierre is a widening of the St. Lawrence River between Trois-Rivières and Sorel-Tracy. One of Quebec's most important freshwater fishing ecosystems, classified a UNESCO World Biosphere Reserve. Over 80 fish species — walleye, pike, bass, perch (under moratorium), muskellunge, striped bass, lake sturgeon, plus forage species.
Location and sectors
The lake spans roughly 35 km long × 12 km wide in its main part. It straddles fishing zones 7 (south) and 8 (north).
Main sectors:
- Lake Saint-Pierre Archipelago — 103 islands, maze of shallow channels
- Yamaska River mouth
- Tortue Bay — sheltered, grassy bottom
- Saint-François River mouth — current + structures
- Pointe-du-Lac and Yamachiche (north shore)
- Shipping channel — deep water, trophy walleye
Main species
Yellow walleye
The lake's star. Throughout, especially at river mouths and shipping channel buoys.
2026 quota (zones 7-8): 2 yellow walleye per day (cut from 6 — see /quota-dore) Minimum size: 32 cm Season: 3rd Saturday of May, closed Nov 1 – Dec 19 + Mar 16 – 31 (new 2026)
Northern pike
Throughout, especially in archipelago and grassy bays.
2026 quota (zones 7-8): 1 pike per day, min length 70 cm (raised from 56), line only, whole/gutted transport mandatory — see /quota-brochet. Season: 3rd Saturday of May
Yellow perch — 2026 MORATORIUM
Lake Saint-Pierre yellow perch has been under moratorium since 2012 — fishing banned. Extended to 2027. Release any incidental catch immediately.
Muskellunge
Mostly in shallow bays and the archipelago. Trophy species. Check zone-specific length limits.
Smallmouth and largemouth bass
Good population around rocky structures, river mouths, marinas. Opening 4th Saturday of June, general limit 6/day.
Striped bass
Present during spring (May-June) and fall (Sept-Oct) migrations. Length-limit species (50-65 cm authorized).
Lake sturgeon
In deep holes. Protected species — specific rules, minimum size.
Boat ramps
South shore (zone 7)
- Sorel-Tracy — Marina, public ramp, main channel access
- Saint-Pierre-de-Sorel — Quai des Forges
- Yamaska / Saint-François-du-Lac — small local ramps
North shore (zone 8)
- Trois-Rivières — multiple marinas + Laviolette park
- Yamachiche — public ramp
- Pointe-du-Lac — municipal ramps
Archipelago
- Boat-only access from Sorel or Berthier
- Several zecs and clubs rent skiffs
2026 regulation summary
- Walleye limit cut to 2/day in zones 7-8
- Pike: 1/day, min 70 cm, line only, whole transport — zones 7/8/21/27
- Perch moratorium extended to 2027
- Total closure all species March 16-31 in zones 7-8
- Live baitfish banned (since 2017)
See /zones-de-peche/7 and /zones-de-peche/8 for the full exception list.
