Map/Lakes/Southern & Central Ontario
Mason Lake
Surface area
42 ac17 ha
Water type
Cold-water
Mgmt zone
FMZ 15
Shoreline
1.5 mi2.5 km
Nearest road
0.6 mi
Depth map
None on file
Mason Lake is the 2015th-largest of 4,097 named lakes in Southern & Central Ontario, with 1.5 miles of charted shoreline.
Fish species
From MNRF aquatic resource surveys.
Also present: Rainbow Trout
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 |
|---|---|---|---|
| Brook Trout | Jan. 1 - Sept. 30 | S - 5 | C - 2 |
| Largemouth and Smallmouth Bass or any combination | 4th Sat. in June - Nov. 30 | S - 6 | C - 2 |
| Rainbow Trout | Open all year | S - 5 | C - 2 |
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.
Similar water
Same region, overlapping species, comparable size.
- Pefferlaw River3 shared species · 43 ac
- Irish Lake3 shared species · 63 ac
- Lake Whittaker3 shared species · 25 ac
- Pearl Lake3 shared species · 24 ac
- Green Lake3 shared species · 97 ac
Nearby lakes
- Round Lake1.6 mi · species data
- Ryans Lake1.8 mi · species data
- Kennelly Lake1.6 mi · species data
- Black Lake1.8 mi · species data
- Green Lake2.5 mi · species data
- Joes Lake1.9 mi · species data