A bright day with hardly any cloud, with a light chop building from the W and the barometer holding steady. Expect most activity at Underhill Lake around the weed line and any gaps in it. The day holds up well from afternoon into evening. Let the water tell you when to move. The pre-winter feed makes autumn days generous.
The bites are poor now
Night
Underhill Lake sits within Algoma in Ontario. The surface lies 269 metres up. It runs to roughly 12 hectares — big enough to hold fish away from the bank, small enough to learn. Bank access stretches around 2.8 km in total. It is a small entry by Algoma standards. For a base, Wawa sits 12 km out. Chapleau is 106 km and Hornepayne 148 km. No county line comes close, which keeps the paperwork simple.
No published figure covers depth, so learn it as you fish. Read the surface for the wind lane, then fish the edge of it. This is a lake, so the margins and the first drop matter most. Species logged across Algoma include walleye, northern pike and Iowa darter. The county list is broader than any single water. At Underhill Lake the water rewards a slow, careful approach.
Temperature averages peak at 16°C in July and bottom out at -14°C in January. Four clear seasons, with a proper winter at one end. The lid arrives early and lasts until roughly late April. The lid tends to go about late April and return around late November. May into June fishes hardest, and September gives a second good stretch before the lid returns. That is the shape of the year on Underhill Lake.
Whether you may fish here is not something records settle. No dam controls it, and the level follows the season. No car park, ramp or path is recorded within easy reach of the shore. Largemouth respond to soft plastics tight to cover; go weedless where the growth is heavy. Parking is often the real limit rather than the bank itself. Where the way in crosses private ground, ask first. Failing this one, try Yanni Lake, 0.3 km away. What applies at Underhill Lake may have changed since it was mapped.
31%
The bites are poor now
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| 8.5 | 7.3 | 6.6 | 6.4 | 7.5 | 8.3 | 7.9 | 7 | 6.7 | 6 | 9.3 | 12.2 | 14.1 | 16.3 | 17.2 | 17.8 | 20.3 | 19.2 | 17.5 | 14.7 | 13.7 | 12.3 | 11.6 | 10.8 |
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| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
| 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 101 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 101 |
| 87 | 89 | 90 | 91 | 90 | 92 | 93 | 93 | 92 | 90 | 82 | 76 | 73 | 73 | 73 | 71 | 75 | 75 | 78 | 81 | 83 | 83 | 86 | 88 |
Sam
AI Fishing Assistant for Underhill Lake
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Best bite time
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Best bite time
Best bite time
Best bite time