Map/Lakes/Southern & Central Ontario
Upper Rock Lake
Surface area
199 ac81 ha
Max depth
146 ft44.5 m
Mean depth
67 ft20.5 m
Water type
Cold-water
Mgmt zone
FMZ 18
Shoreline
4.7 mi7.6 km
Depth map
Available
Upper Rock Lake is the 682nd-largest of 4,097 named lakes in Southern & Central Ontario, with 4.7 miles of charted shoreline and 2 islands. Its 146 ft maximum depth is greater than 98% of depth-surveyed lakes in the region.
Fish species
From MNRF aquatic resource surveys.
Also present: Brown Bullhead, Pumpkinseed, Rock Bass, Splake, White Sucker
Stocked: Splake (most recently 2024).
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 |
|---|---|---|
| 2024 | Splake | 3,040 |
| 2022 | Splake | 3,800 |
| 2020 | Splake | 3,800 |
| 2018 | Splake | 2,300 |
| 2017 | Splake | 2,800 |
| 2016 | Splake | 3,000 |
Similar water
Same region, overlapping species, comparable size.
- Round Lake9 shared species · 141 ac
- Oastler Lake9 shared species · 337 ac
- Halfway Lake9 shared species · 413 ac
- Silver Lake9 shared species · 613 ac
- Jacks Lake9 shared species · 64 ac
Nearby lakes
- Loughborough Lake2.7 mi · species data
- Buck Lake2.7 mi · species data
- Lower Rock Lake2.7 mi · species data
- Hamilton Lake4.6 mi
- Big Clear Lake4.4 mi · species data
- Labelle Lake4.2 mi · species data