Cavern Lake, Ontario: ice fishing

Cavern Lake is a lake in Ontario, about 22 hectares in size, about 36 km SW of Nipigon and 66 km NE of Thunder Bay (straight-line distances). The province has stocked Brook Trout here in the past 10 years (Ontario stocking records). Other species may live in the lake as well.

• Size: 22 ha
• Nearest town: Nipigon, 36 km SW (straight line)
• Nearest city: Thunder Bay, 66 km NE (straight line)
• Ice status: pre-season, no thickness report yet

What fish are in Cavern Lake?

The province has stocked Brook Trout in Cavern Lake in the past 10 years (Ontario stocking records). Other species may live in the lake as well.

Guides: Brook Trout ice fishing guide

Is the ice safe on Cavern Lake?

Nobody has reported ice thickness on Cavern Lake yet this season. Do not assume the ice is safe: drill and measure it yourself. Ice thickness guidance.

What are the fishing regulations for Cavern Lake?

Official regulations (Ontario Recreational Fishing Regulations Summary (zone tables)). Always confirm against the current official guide before you fish. This summary may be out of date or incomplete: you are responsible for reading and following the current regulations, and Ice Fish Canada is not responsible for any violation or illegal harvest (poaching) that results from relying on it.

Catches and lures

No catches logged on Cavern Lake yet. Sign in to log yours and see what's catching as the reports come in.

Other lakes near Cavern Lake

• Lost Lake
• MacDonalds Lake
• Grande Lake
• Fall Lake, 12 ha
• Pocket Lake
• Moonshine Lake, 16 ha
• Shale Lake
• Thompson Lake, 43 ha

Updated 2026-11-06. Lake names and locations: Canadian Geographical Names Data Base (Natural Resources Canada). Lake sizes: HydroLAKES (Messager et al. 2016, CC BY 4.0). Nearest towns: GeoNames (CC BY 4.0). About these data.