Rock Lake
49.5419° N, 92.5961° W
Rock Lake, Ontario. 49.5419° N, 92.5961° W
Maximum depth 8 m. Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/rock-lake-near-dryden/, 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.
- Bathymetry lines and survey index, 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.
Rock Lake is 8 m deep at its deepest point. It covers 6.62 km² and lies 29 km southeast of Dryden, Ontario.
- Maximum depth
- 8 m
- Area
- 6.62 km²
- Shoreline
- 20.4 km
- Elevation
- 367 m
Today on the water
3.3 °C
Observed at Dryden, as of 4:00 a.m. CDT
| 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 | S 10 | S 10 | S 20 | SE 15 | SE 20 | SE 20 | SE 20 | SE 20 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Temp. °C | 2 | 3 | 8 | 11 | 11 | 11 | 11 | 10 |
| Precip. % | 20 | 20 | 20 | 30 | 30 | 10 | 10 | 10 |
Tonight: Partly cloudy. Becoming clear this evening. Wind northwest 30 km/h gusting to 50 becoming light this evening. Low plus 1.
Weather: Dryden (local forecast), as of 4:01 a.m. CDT
Sun and moon
- Civil dawn
- 6:50 a.m.
- Sunrise
- 7:22 a.m.
- Sunset
- 6:31 p.m.
- Civil dusk
- 7:03 p.m.
- Moonrise
- 6:15 a.m.
- Moonset
- 5:50 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Depth
The government depth survey records a maximum depth of 8 m, drawn from 52 depth contours.
Not for navigation. Depths are from government surveys and may be outdated.
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.