Map/Lakes/Southern & Central Ontario
Upper Twin Lake
Surface area
11 ac4 ha
Max depth
28 ft8.5 m
Mean depth
7 ft2.1 m
Water type
Cold-water
Mgmt zone
FMZ 15
Shoreline
0.8 mi1.3 km
Depth map
Available
Upper Twin Lake is the 3499th-largest of 4,097 named lakes in Southern & Central Ontario, with 0.8 miles of charted shoreline. Its 28 ft maximum depth is greater than 40% of depth-surveyed lakes in the region.
Fish species
From MNRF aquatic resource surveys.
Stocked: Brook Trout (most recently 2025).
Lodges & operators0
No operators recorded on this lake yet. Know one? It may be listed under a nearby community — browse the map.
Stocking history
MNRF recreational fish stocking recorded for this water.
| Year | Species | Fish stocked |
|---|---|---|
| 2025 | Brook Trout | 400 |
| 2024 | Brook Trout | 500 |
| 2023 | Brook Trout | 250 |
| 2022 | Brook Trout | 300 |
| 2021 | Brook Trout | 300 |
| 2020 | Brook Trout | 300 |
| 2019 | Brook Trout | 300 |
| 2018 | Brook Trout | 300 |
| 2017 | Brook Trout | 300 |
| 2016 | Brook Trout | 500 |
Similar water
Same region, overlapping species, comparable size.
- Little Trout Lake1 shared species · 11 ac
- O'Brien Lake1 shared species · 11 ac
- Lonewolf Lake1 shared species · 11 ac
- Little Camp Lake1 shared species · 10 ac
- McDowall Lake1 shared species · 10 ac
Nearby lakes
- Lower Twin Lake0.2 mi · species data
- Jeffers Lake1.8 mi · species data
- Eleanor Lake1.9 mi · species data
- Louies Lake1.5 mi · species data
- Tooeys Lake2.0 mi · species data
- Long Lake1.8 mi · species data