Solid cloud cover today, with a whisper of wind from the S with the barometer flat. The fish at Lac Mahon are likely to sit near the shaded margin through bright spells. A stay-home graph, with the morning as the one excuse to go. Quiet tactics only; the fish will not chase today. Cooling water has fish active and on the move.
The bites are poor now
Night
Lac Mahon is an Outaouais water, Quebec side. The bank is 157 metres above sea level. Roughly 1.21 sq km of surface: treat each bay as a water in its own right. Shoreline length is close to 5.0 km, and each section fishes a little differently. Size puts it in the front rank of our Outaouais list. Supplies mean a trip to Wakefield, 14 km off. For a city, Gatineau is 34 km off. It sits well inside its county, with no border complications.
Without a survey to go on, judge depth from how the bank falls away. A natural lake fishes on cover, and cover here means weed and timber. On a natural lake the weed line and the shelf beyond it do the work. Outaouais records list pumpkinseed, yellow perch, smallmouth bass, rainbow smelt and Iowa darter among the fish reported. County data is a starting point rather than a guarantee. On Lac Mahon a short move beats a long cast.
Expect July near 19°C and January near -13°C on the long-run figures. Winter shuts things down for a spell, then spring reopens them fast. The lid usually sets by midwinter and gives way around late April. Expect the water usable from around late April until roughly early December. Right after break-up, and again as the nights sharpen, is when to go. Lac Mahon fishes to that pattern most years.
Public data does not answer the access question here. This is a natural basin, not a dammed one. Access is unmapped, which usually means a farm track and a walk. A small crankbait along the drop and a worm in the thick stuff cover the bass. Local rules can differ across the county line, so check where you stand. Rules for boats are stricter than rules for the bank in many places. Lac Nesbitt at 1.9 km is the sensible second choice. Ask locally about Lac Mahon if anything is unclear.
34%
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 |
| 6 | 6.8 | 8.4 | 10.4 | 12 | 12.7 | 11.8 | 11.6 | 11.6 | 13.9 | 13.3 | 9.9 | 10.3 | 12.2 | 14.4 | 14.2 | 9.6 | 10.7 | 11.5 | 9.7 | 10.6 | 8.8 | 7.5 | 7.2 |
| 4° | 5° | 6° | 6° | 7° | 8° | 8° | 8° | 9° | 10° | 11° | 12° | 13° | 14° | 15° | 16° | 15° | 16° | 15° | 14° | 13° | 12° | 12° | 11° |
| 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 0 | 1 | 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 |
| 72 | 74 | 81 | 85 | 88 | 87 | 87 | 85 | 86 | 83 | 85 | 85 | 83 | 83 | 78 | 74 | 82 | 81 | 83 | 86 | 87 | 89 | 89 | 91 |
Sam
AI Fishing Assistant for Lac Mahon
Morning
Afternoon
Evening
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time