Low, flat cloud sitting over the water, with dead-still conditions and steady pressure. Fish at Lac Mandan should hold close to the margins and the shelf beyond them. A stay-home graph, with the evening as the one excuse to go. Scale down and fish slowly. Fish follow the bait in autumn, so find one to find the other.
The bites are poor now
Night
Morning
Set in Saguenay/Lac-Saint-Jean, Quebec, this is Lac Mandan. It stands 723 metres above sea level. The water covers around 1.75 sq km, which puts most of it out of reach from the bank. The edge covers about 18 km, enough to hold several distinct areas. Size puts it in the front rank of our Saguenay/Lac-Saint-Jean list. The nearest town is Saint-Honoré, 43 km away. Saint-Fulgence follows at 48 km, then Saint-Ambroise at 52 km. The nearest boundary is a fair way off.
Depth went unrecorded, which puts the reading back on you. This is a lake, so the margins and the first drop matter most. A soft bed grows weed late into autumn, which keeps fish shallow. Species logged across Saguenay/Lac-Saint-Jean include northern pike, Atlantic salmon, lake whitefish and fallfish. Several of these carry legal protection or closed seasons; the rulebook comes before the rod. On Lac Mandan the first feature you find is usually worth a session.
July is the warm end of the year here, averaging about 15°C, while January sits near -19°C. The fishing year opens late and shuts early. Count on hard cover from midwinter, and open water from mid May. Going by climate averages, expect open water from about mid May until roughly early November. May into June fishes hardest, and September gives a second good stretch before the lid returns. Lac Mandan runs to its own calendar within the local pattern.
The access position is unclear from public sources. This is a natural basin, not a dammed one. Public data shows nothing built here, so treat the whole approach as informal. A wire trace and a big bright lure handle the pike; deep water asks for a heavier spoon. Where the road in crosses private land, ask first. Close seasons apply to some species and not others. The nearest alternative is Lac Doull, 1.4 km out. Confirm access to Lac Mandan locally before you travel.
21%
The bites are poor now
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 15.4 | 13.4 | 12.6 | 11.4 | 9.6 | 8.6 | 8.3 | 7.5 | 10.1 | 12 | 13 | 15.9 | 17.6 | 18.2 | 18.7 | 19.1 | 18.3 | 17.7 | 15.9 | 15.1 | 13.5 | 13 | 12.2 | 12.1 |
| 0 | -1° | -1° | -1° | -1° | -1° | 0 | 0 | 1° | 1° | 2° | 3° | 4° | 4° | 5° | 5° | 5° | 5° | 5° | 6° | 6° | 6° | 6° | 6° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 101 | 101 | 101 | 101 | 101 | 101 | 101 | 101 | 101 | 101 | 101 | 101 | 101 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| 83 | 85 | 86 | 86 | 87 | 89 | 89 | 89 | 87 | 88 | 87 | 89 | 89 | 88 | 87 | 87 | 86 | 86 | 87 | 88 | 88 | 88 | 89 | 90 |
Sam
AI Fishing Assistant for Lac Mandan
Afternoon
Evening
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Best bite time
Best bite time