Map/Lakes/Southern & Central Ontario
Farren Lake
Surface area
434 ac176 ha
Max depth
70 ft21.34 m
Mean depth
27 ft8.32 m
Water type
Cold-water
Mgmt zone
FMZ 18
Shoreline
6.8 mi11 km
Nearest road
RoadsideBOLINGBROKE ROAD
Depth map
Available
Farren Lake is the 364th-largest of 4,097 named lakes in Southern & Central Ontario, with 6.8 miles of charted shoreline and 4 islands. Its 70 ft maximum depth is greater than 81% of depth-surveyed lakes in the region.
Fish species
From MNRF aquatic resource surveys.
Also present: Banded Killifish, Blackchin Shiner, Blacknose Shiner, Bluegill, Bluntnose Minnow, Bridle Shiner, Brown Bullhead, Cisco, Common Shiner, Golden Shiner, Logperch, Pumpkinseed, Rainbow Trout, Rock Bass, Splake, Spottail Shiner, Unidentifiable, White Sucker, Yellow Bullhead
Lodges & operators0
No operators recorded on this lake yet. Know one? It may be listed under a nearby community — browse the map.
Seasons & limitsFMZ 18
| Species | Season | Sport licence | Conservation |
|---|---|---|---|
| Largemouth and Smallmouth Bass or any combination | 3rd Sat. in June - Dec. 15 | S - 6 | C - 2 |
| Rainbow Trout | Open all year | S - 5 | C - 2 |
| Splake | Open all year | S - 5 | 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 18 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) | 16 | 4–12 | Mercury |
| Largemouth Bass | 16 | 8–12 | Mercury |
| Smallmouth Bass | 8–16 | 4–8 | Mercury |
| White Sucker | 32 | 16–32 | Mercury |
| Yellow Perch | 16 | 8 | 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.
- Pefferlaw River19 shared species · 43 ac
- Christie Lake18 shared species · 1,599 ac
- Sturgeon Lake18 shared species · 10,843 ac
- Big Rideau Lake18 shared species · 11,342 ac
- Lac Deschênes18 shared species · 23,549 ac
Nearby lakes
- Davern Lake1.4 mi
- O'Brien Lake1.4 mi · species data
- Little Silver Lake3.0 mi · species data
- Rainbow Lake3.1 mi · species data
- Crosby Lake2.9 mi · species data
- Lake of the Hills2.9 mi · species data