Bittern Lake

Lake Northern Ontario FMZ 7 Crown Land (Free)

18.3 m

Deepest charted contour

About this spot

Bittern Lake is a lake in the Northern Ontario area of Ontario, in Fisheries Management Zone 7. MNR fish surveys (2012) recorded 10 species here, including white sucker, yellow perch and cisco. An MNR depth chart exists for this lake; its deepest charted contour is 18.3 m. This waterbody sits on Ontario Crown land open to anglers holding a valid Ontario fishing licence.

Location

Fish Species

Sucker Yellow Perch Cisco Brook Trout

No species reported for this spot yet.

Lake data from Ontario government surveys

Ontario's Ministry of Natural Resources holds 16 fish survey records from 2012. Survey methods: Broad-scale Monitoring.

Species recorded (10)

White Sucker · 14 Yellow Perch · 11 Cisco · 10 Brook Trout · 9 Trout-Perch · 6 Northern Pearl Dace · 3 Blacknose Shiner · 2 Common Shiner · 2 Fathead Minnow · 2 Logperch · 2

Number of survey records that list the species.

Depth chart

MNR depth chart on file
Deepest charted contour: 18.3 m
The deepest contour line on the chart. The true maximum depth is at least this deep.

Sources: Land Information Ontario — Aquatic Resource Area survey points, Bathymetry Index and Bathymetry Line, Fisheries Management Zones, Fishing Access Points. Contains information licensed under the Open Government Licence – Ontario.

Fisheries Management Zone 7

Bittern Lake is in Fisheries Management Zone 7. Open seasons, catch limits and size limits in Ontario are set zone by zone, and some lakes carry their own exceptions, so check the FMZ 7 rules before you fish.

FMZ 7 regulations on ontario.ca

Ice fishing on Bittern Lake (2026–27)

Ontario has no separate ice fishing season: the regular open seasons apply through the ice. Bittern Lake is in Fisheries Management Zone 7, where 11 of 15 species groups are open for the whole ice season (December 1 to March 31) under the zone-wide rules. Of the game fish government surveys recorded in this lake, yellow perch is open at least part of the winter under the zone-wide rules.

Species	Through the ice	Zone-wide season	Limits
Brook trout recorded here	Different rule here See the rules for this lake below	January 1 to Labour Day	S-5; not more than 2 greater than 30 centimetres, of which not more than 1 greater than 40 centimetres, and C-2; not more than 1 greater than 30 centimetres, of which none greater than 40 centimetres
Yellow perch recorded here	Open	open all year	S-50 and C-25
Atlantic salmon	Open	open all year	S-1 and C-0
Brown trout	Open	open all year	S-5 and C-2
Lake sturgeon	Closed	closed all year
Lake trout	Part of the season Jan 1 – Mar 31	January 1 to September 30	S-2 and C-1
Lake whitefish	Open	open all year	S-25 and C-12
Largemouth and smallmouth bass combined	Open	open all year	S-6 and C-2
Muskellunge	Closed	closed all year
Northern pike	Open	open all year	S-6; not more than two greater than 61 centimetres, of which not more than 1 greater than 86 centimetres, and C-2; not more than 1 greater than 61 centimetres, none greater than 86 centimetres
Pacific salmon	Open	open all year	S-5 and C-2
Rainbow trout	Open	open all year	S-1 and C-0
Splake	Open	open all year	S-5 and C-2
Sunfish	Open	open all year	S-50 and C-25
Walleye and sauger combined	Open	January 1 to April 14 and third Saturday in May to December 31	S-4 and C-2; not more than 1 greater than 46 centimetres

S = sport fishing licence, C = conservation licence (daily catch and possession). Dates are worked out for 2026–27 from the wording of the 2026 summary. Ontario publishes a new summary every January 1, so check the 2027 edition for dates after December 31.

Rules specific to Bittern Lake

The 2026 summary lists this lake by name and location. These rules replace the zone-wide ones above where they overlap.

Brook trout exception (additional fishing opportunities): Season: open all year; Limits: S-5 and C-2; no size limit

Ice huts in Zone 7

No hut registration is required in this zone. There is no fixed removal date, but every hut must be off before the ice breaks up. You may fish with two lines through the ice in most waters, within 60 m and in sight of each.

Zone 7 ice fishing rules Ice fishing in Ontario guide

Source: Ontario Fishing Regulations Summary 2026, Zone 7 (ontario.ca); ice hut rules: ontario.ca/page/ice-fishing. This summary is not the law: check the regulations and local conditions, and never go on ice you have not tested.