Prospect Lake
46.3728° N, 83.4767° W
Depth contours from the 1967 government survey. Not for navigation.
Download the depth map (SVG)Prospect Lake, Ontario. 46.3728° N, 83.4767° W
Maximum depth 9.1 m (1967 survey). Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/prospect-lake-near-thessalon/, 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.
- 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).
Prospect Lake is 9.1 m deep at its deepest point, shallower than 76% of the 2,688 surveyed lakes in Ontario. It covers 0.25 km² and lies 6.1 km southwest of Wharncliffe.
Government surveys have recorded 2 fish species here: rainbow trout and white sucker.
- Maximum depth
- 9.1 msurveyed 1967
- shallower than 76% of the 2,688 surveyed lakes in Ontario
- Area
- 0.25 km²
- smaller than 72% of the 18,731 lakes in Ontario
- Shoreline
- 3 km
- shorter than 74% of the 18,731 lakes in Ontario
- Fish species
- 2
- fewer than 60% of the 2,454 surveyed lakes in Ontario
- Elevation
- 284 m
Today on the water
9.5 °C
Observed at Blind River, as of 5:00 a.m. EDT
calm Estimated waves, next 12 hours: up to 0.1 m. Around 6 a.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.
| Time | 6 a.m. | 9 a.m. | 12 p.m. | 3 p.m. | 6 p.m. | 9 p.m. | 12 a.m. | 3 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | NW 10 | NW 20 | NW 20 | NW 10 | var. 5 | var. 5 | SE 10 | E 10 |
| Gusts km/h | 40 | |||||||
| Waves (est.) m | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |||
| Temp. °C | 7 | 8 | 12 | 15 | 15 | 13 | 8 | 5 |
| Precip. % | 20 | 20 | 0 | 0 | 0 | 0 | 0 | 0 |
Tonight: Mainly cloudy with 60 percent chance of showers. Risk of a thunderstorm after midnight. Low 7.
Weather: Blind River (local forecast), as of 5:01 a.m. EDT
Sun and moon
- Civil dawn
- 7:13 a.m.
- Sunrise
- 7:43 a.m.
- Sunset
- 6:58 p.m.
- Civil dusk
- 7:28 p.m.
- Moonrise
- 6:35 a.m.
- Moonset
- 6:16 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Depth
The government depth survey from 1967 records a maximum depth of 9.1 m, drawn from 4 depth contours.
- Download the depth map (SVG)Printing this page gives the map on one sheet, with scale and sources.
Not for navigation. Depths are from government surveys and may be outdated.
Fish
Sport fish by the share of the 1 government surveys (2015–2015) that recorded them.
Other species (1)
- White Sucker 1
Numbers are the surveys that recorded each species.
Stocking
Rainbow Trout3,000 fish in 3 years, most recently 2023
All stocking records (3)
| Year | Species | Fish | Stage |
|---|---|---|---|
| 2023 | Rainbow Trout | 1,000 | Yearlings |
| 2020 | Rainbow Trout | 1,000 | Yearlings |
| 2017 | Rainbow Trout | 1,000 | Yearlings |
Fishing regulations: Fisheries Management Zone 10. Check seasons and limits before you fish.
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.