Opinnagau Lake
Walleye opens Sat, May 16 — it lies 124 km southwest of Lake River, and the nearest road is 73 miles off — this is fly-in water.
Opinnagau Lake is the 42nd-largest of 1,629 named lakes in Ontario Far North, with 34 miles of charted shoreline and 1 island.
MNRF aquatic resource surveys
Fish species
Also present: Cisco, Longnose Sucker, 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 3
Ice-out here is typically late May (modeled from regional ice records).
| Species | Season | Sport licence | Conservation |
|---|---|---|---|
| Lake Whitefish | Open all year | S - 12 | C - 6 |
| 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.) |
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 3 summary before you fish.
Comparable trips
Similar water
Same region, overlapping species, comparable size.
- Echoing Lake6 shared species · 13,338 ac
- Makokibatan Lake6 shared species · 13,232 ac
- Keechewahshaykahmeeshek/Cairns Lake6 shared species · 12,943 ac
- North Spirit Lake6 shared species · 16,351 ac
- Windigo Lake6 shared species · 19,873 ac
Around this water