Matthews Lake
One lake, 2 charted basins — combined figures below.
Walleye opens Sat, May 16 — it lies 95 km east of Marathon, and a charted depth map is on file.
Matthews Lake is the 29th-largest of 801 named lakes in Hearst–Kapuskasing, with 11 miles of charted shoreline and 3 islands. Its 80 ft maximum depth is greater than 90% of depth-surveyed lakes in the region.
MNRF aquatic resource surveys
Fish species
Also present: Cisco, Spottail Shiner, Trout-Perch, White Sucker
On this water
Lodges & operators 0
No operators recorded on this lake yet. Know one? It may be listed under a nearby community — browse the map.
2026 regulations
Seasons & limitsFMZ 7
| Species | Season | Sport licence | Conservation |
|---|---|---|---|
| Lake Whitefish | Open all year | S - 25 | C - 12 |
| Northern Pike | Open all year | S - 6, not more than 2 greater than 61 cm (24 in.), of which not more than 1 is greater than 86 cm (33.9 in.) | C - 2, not more than 1 greater than 61 cm (24 in.), none greater than 86 cm (33.9 in.) |
| Walleye and Sauger or any combination | Jan. 1 - Apr. 14 & 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 7 summary before you fish.
Eating what you catch
Consumption advisories
Recommended meals per month from Ontario's fish contaminant monitoring — ranges span the tested fish sizes.
| Species | General | Sensitive* |
|---|---|---|
| Northern Pike | 4–16 | 0–8 |
| Walleye | 4–8 | 0–4 |
Advisory cause across all species: 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.
Comparable trips
Similar water
Same region, overlapping species, comparable size.
- Guilfoyle Lake8 shared species · 1,903 ac
- Pearce Lake8 shared species · 1,062 ac
- Kabinakagamisis Lake8 shared species · 3,124 ac
- Opasatika Lake8 shared species · 5,130 ac
- Nagagamisis Lake8 shared species · 5,191 ac
Around this water