Map/Lakes/Southern & Central Ontario
Prospect Lake
Surface area
170 ac69 ha
Max depth
66 ft20 m
Mean depth
26 ft7.8 m
Water type
Cool-water
Mgmt zone
FMZ 15
Shoreline
4.9 mi7.9 km
Boat launch
On the lakeLIO access points
Nearest road
RoadsidePROSPECT LAKE SHORE
Depth map
Available
Prospect Lake is the 764th-largest of 4,097 named lakes in Southern & Central Ontario, with 4.9 miles of charted shoreline and 4 islands. Its 66 ft maximum depth is greater than 78% of depth-surveyed lakes in the region.
Fish species
From MNRF aquatic resource surveys.
Also present: Cisco, Pumpkinseed, Rock Bass, White Sucker
Lodges & operators0
No operators recorded on this lake yet. Know one? It may be listed under a nearby community — browse the map.
Seasons & limitsFMZ 15
| Species | Season | Sport licence | Conservation |
|---|---|---|---|
| Largemouth and Smallmouth Bass or any combination | 4th Sat. in June - Nov. 30 | S - 6 | C - 2 |
| Yellow Perch | Open all year | S - 50 | C - 25 |
Compiled from MNRF Recreational Fishing Regulations open data (2026 season, zone-wide rules shown for this lake's species). Regulations change by variation order — confirm with the official FMZ 15 summary before you fish.
Consumption advisories
Recommended meals per month from Ontario's fish contaminant monitoring — ranges span the tested fish sizes.
| Species | General | Sensitive* | Cause |
|---|---|---|---|
| Cisco (Lake Herring) | 8 | Do not eat | Mercury |
| Lake Trout | 12–16 | 4–8 | Mercury |
| Smallmouth Bass | 2–8 | 0–4 | Mercury |
*Women of child-bearing age and children under 15. Compiled from the MECP Guide to Eating Ontario Fish (2025 guide) — check the guide for size-specific advice before keeping fish.
Similar water
Same region, overlapping species, comparable size.
- Horseshoe Lake7 shared species · 171 ac
- Fairholme Lake7 shared species · 172 ac
- Buck Lake7 shared species · 179 ac
- Silver Lake7 shared species · 180 ac
- Grandview Lake7 shared species · 181 ac
Nearby lakes
- Island Lake0.9 mi · species data
- Mink Lake1.5 mi · species data
- Long Lake2.2 mi · species data
- Blackmoore Lake2.7 mi · species data
- West Buck Lake3.4 mi · species data
- Wood Lake3.4 mi · species data