Low, flat cloud sitting over the water, with a mirror surface most of the day with the glass holding level. The productive water at Slim Lake will be around the shaded margin through bright spells. One clear peak today: the night. Work fewer spots, but work them properly. Autumn fish are feeding up and less fussy than in summer.
The bites are average now
Night
Slim Lake stands in Rainy River District, Ontario. It stands 433 metres above sea level. With some 36 hectares of water, there is room for a boat but no need of one. The perimeter runs near 5.7 km, so plan the walk before you start. By elevation it is in the upper part of our Ontario listings. The closest town, Atikokan, is 29 km away. It is 151 km to Thunder Bay, the nearest city. One jurisdiction covers this water end to end.
Without a survey to go on, judge depth from how the bank falls away. Still water like this holds fish on the edges rather than out in the open. Where the bottom changes texture, fish gather; find that line. Survey and observation records for Rainy River District include northern pike, smallmouth bass and yellow perch. It is the county picture; the agency list is water-specific. On Slim Lake that means starting tight and working out.
In an average year July sits at 18°C and January at -17°C. The middle months are generous; the ends are demanding. Winter locks it down, and late April brings it back. Climate figures give an open season running late April to mid November. Fishing peaks soon after break-up and again before the cold returns. The season on Slim Lake follows the weather closely.
The rules here are undocumented as far as public sources go. This is a natural basin, not a dammed one. No slipway, car park or made path shows up nearby in mapping, so treat access as rough. Bass water: a Texas-rigged worm near cover, a spinnerbait when you need to cover ground. Bank access can be seasonal on ground like this. Close seasons apply to some species and not others. The nearest alternative is Marion Lake, 2.1 km out. What applies at Slim Lake may have changed since it was mapped.
63%
The bites are average 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 |
| 8.3 | 8 | 6.6 | 5 | 4.8 | 5.1 | 3.8 | 3.1 | 3.3 | 2.9 | 3.4 | 4.3 | 4.5 | 6.3 | 6.7 | 6.2 | 5.7 | 5.8 | 4.3 | 7.1 | 8.2 | 10.4 | 11.1 | 11.8 |
| 4° | 3° | 2° | 1° | 1° | 1° | 0 | 1° | 1° | 3° | 6° | 8° | 10° | 11° | 11° | 12° | 12° | 12° | 11° | 9° | 7° | 7° | 6° | 6° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 102 | 102 | 102 | 102 | 102 | 103 | 103 | 103 | 103 | 103 | 103 | 103 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 |
| 89 | 91 | 93 | 94 | 95 | 97 | 98 | 98 | 97 | 93 | 86 | 74 | 66 | 58 | 52 | 49 | 48 | 48 | 55 | 61 | 71 | 75 | 76 | 78 |
Sam
AI Fishing Assistant for Slim Lake
Morning
Afternoon
Evening
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time