Cavern Lake
48.8321° N, 88.6649° W
Cavern Lake, Ontario. 48.8321° N, 88.6649° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/cavern-lake/, compiled October 9, 2026
- Canadian Geographical Names Database, Natural Resources Canada. Contains information licensed under the Open Government Licence – Canada.
- HydroLAKES v1.0, Messager et al. 2016 / WWF HydroSHEDS. Licensed under CC BY 4.0.
- Census boundaries and population, 2021, Statistics Canada. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada.
- Aquatic Resource Area survey points, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Fish stocking for recreational purposes, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Fishing access points, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Fisheries Management Zones, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- City page weather forecasts and alerts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
Cavern Lake covers 0.22 km², Ontario. It lies 35 km southwest of Nipigon.
Government surveys have recorded 1 fish species here: brook trout.
- Area
- 0.22 km²
- Shoreline
- 5 km
- Fish species
- 1
- Elevation
- 302 m
Today on the water
0 °C
Observed at Dorion, as of 4:00 a.m. EDT
| Time | 5 a.m. | 8 a.m. | 11 a.m. | 2 p.m. | 5 p.m. | 8 p.m. | 11 p.m. | 2 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 10 | var. 5 | S 10 | S 10 | SE 10 | SE 20 | SE 20 | SE 20 |
| Gusts km/h | 40 | 40 | ||||||
| Temp. °C | 1 | -1 | 7 | 14 | 12 | 11 | 10 | 9 |
| Precip. % | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Tonight: Partly cloudy. 40 percent chance of showers early this evening. Clearing near midnight. Wind northwest 20 km/h becoming light this evening. Low minus 1.
Weather: Dorion (local forecast), as of 4:01 a.m. EDT
Sun and moon
- Civil dawn
- 7:34 a.m.
- Sunrise
- 8:06 a.m.
- Sunset
- 7:16 p.m.
- Civil dusk
- 7:48 p.m.
- Moonrise
- 6:58 a.m.
- Moonset
- 6:35 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Fish
- Brook TroutStocked
Stocking
Brook Trout34,500 fish in 9 years, most recently 2025
All stocking records (9)
| Year | Species | Fish | Stage |
|---|---|---|---|
| 2025 | Brook Trout | 4,000 | Yearlings |
| 2024 | Brook Trout | 3,000 | Yearlings |
| 2023 | Brook Trout | 4,000 | Yearlings |
| 2021 | Brook Trout | 4,000 | Yearlings |
| 2020 | Brook Trout | 3,000 | Yearlings |
| 2019 | Brook Trout | 4,000 | Yearlings |
| 2018 | Brook Trout | 4,000 | Yearlings |
| 2017 | Brook Trout | 4,500 | Yearlings |
| 2016 | Brook Trout | 4,000 | Yearlings |
Fishing regulations: Fisheries Management Zone 6. Check seasons and limits before you fish.
Getting on the water
2 listed boat launches; 1 with parking listed. marks launches on the map.
- Cavern Creek Access
- Boat launch
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.