Map/Lakes/Southern & Central Ontario
Redstone Lake
Surface area
2,917 ac1,180 ha
Max depth
262 ft80 m
Mean depth
66 ft20 m
Water type
Cold-water
Mgmt zone
FMZ 15
Shoreline
29 mi46 km
Boat launch
2 mappedLIO access points
Nearest road
RoadsideREDSTONE STEPHENSON ISLAND
Depth map
None on file
Redstone Lake is the 69th-largest of 4,097 named lakes in Southern & Central Ontario, with 29 miles of charted shoreline and 11 islands. Its 262 ft maximum depth is greater than 99% of depth-surveyed lakes in the region.
Fish species
From MNRF aquatic resource surveys.
Also present: Bluntnose Minnow, Brown Bullhead, Burbot, Longnose Sucker, Rock Bass, Spottail Shiner, Unidentifiable, 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 |
|---|---|---|---|
| Lake Trout | Jan. 1 - Sept. 30 | S - 2 | C - 1 |
| Lake Whitefish | Open all year | S - 12 | C - 6 |
| Largemouth and Smallmouth Bass or any combination | 4th Sat. in June - Nov. 30 | S - 6 | C - 2 |
| Walleye and Sauger or any combination | Jan. 1 - Mar. 15 & 3rd Sat. in May - Dec. 31 | S - 4, not more than 1 greater than 46 cm (18.1 in.) | C - 2, not more than 1 greater than 46 cm (18.1 in.) |
| 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 |
|---|---|---|---|
| Lake Trout | 0–32 | 0–16 | Mercury, PCB |
| Lake Whitefish | 8–16 | 4 | Mercury |
| Largemouth Bass | 16 | 4 | Mercury |
| Smallmouth Bass | 2–16 | 0–8 | Mercury |
| Walleye | 4 | Do not eat | 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.
- Bark Lake14 shared species · 10,542 ac
- Mary Lake13 shared species · 2,620 ac
- Lac Coulonge13 shared species · 7,355 ac
- Golden Lake13 shared species · 8,816 ac
- Little Lake13 shared species · 947 ac
Nearby lakes
- Coleman Lake2.2 mi · species data
- Tedious Lake2.1 mi · species data
- Little Redstone Lake2.4 mi · species data
- Bitter Lake1.9 mi · species data
- Cruiser Lake2.0 mi · species data
- Guilford Lake2.2 mi · species data