Upper Roslyn Lake
49.2444° N, 87.4833° W
Upper Roslyn Lake, Ontario. 49.2444° N, 87.4833° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/upper-roslyn-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.
- 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).
- Ontario Waterbody Location Identifier, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
Upper Roslyn Lake covers 10.1 km², Ontario. It lies 61 km south of Greenstone.
- Area
- 10.1 km²
- Shoreline
- 37 km
- Elevation
- 400 m
Today on the water
2 °C
Observed at Greenstone (Beardmore), 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 | 12 | 11 | 8 | 4 | 5 | 9 |
| Precip. % | 0 | 0 | 0 | 0 | 30 | 30 | 0 | 0 |
Today: A mix of sun and cloud. Fog patches dissipating late this morning. High 12. UV index 2 or low.
Weather: Greenstone (Beardmore) (local forecast), as of 9:10 a.m. EDT
Sun and moon
- Civil dawn
- 7:29 a.m.
- Sunrise
- 8:01 a.m.
- Sunset
- 7:11 p.m.
- Civil dusk
- 7:43 p.m.
- Moonrise
- 6:54 a.m.
- Moonset
- 6:30 p.m.
- Moon
- Waning crescent, 1% lit