Cosgrave Lake
49.2328° N, 87.9292° W
Cosgrave Lake, Ontario. 49.2328° N, 87.9292° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/cosgrave-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.
- 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).
Cosgrave Lake covers 5.9 km², Ontario. It lies 36 km northeast of Nipigon.
- Area
- 5.9 km²
- Shoreline
- 25.1 km
- Elevation
- 436 m
Today on the water
2 °C
Observed at Nipigon, as of 9:00 a.m. EDT
| Time | 10 a.m. | 1 p.m. | 4 p.m. | 7 p.m. | 10 p.m. | 1 a.m. | 4 a.m. | 7 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | NW 10 | S 15 | S 15 | S 15 | S 15 | SE 20 | SE 20 | SE 20 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Temp. °C | 5 | 10 | 13 | 11 | 9 | 7 | 7 | 8 |
| Precip. % | 0 | 0 | 0 | 0 | 30 | 30 | 0 | 0 |
Today: Clear. Becoming a mix of sun and cloud this morning. High 13. UV index 3 or moderate.
Weather: Nipigon (local forecast), as of 9:01 a.m. EDT
Sun and moon
- Civil dawn
- 7:31 a.m.
- Sunrise
- 8:03 a.m.
- Sunset
- 7:13 p.m.
- Civil dusk
- 7:45 p.m.
- Moonrise
- 6:55 a.m.
- Moonset
- 6:32 p.m.
- Moon
- Waning crescent, 1% lit
Getting on the water
1 listed boat launch. marks launches on the map.
- Boat launch