Cul de Sac Lake

Lake Northern Ontario FMZ 5 Crown Land (Free)

About this spot

Cul de Sac Lake is a lake in the Northern Ontario area of Ontario, in Fisheries Management Zone 5. This waterbody sits on Ontario Crown land open to anglers holding a valid Ontario fishing licence. Ontario's crown land lakes support a diverse range of species including lake trout, walleye, largemouth bass, and northern pike.

Location

Fish Species

No species reported for this spot yet.

Fisheries Management Zone 5

Cul de Sac Lake is in Fisheries Management Zone 5. 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 5 rules before you fish.

FMZ 5 regulations on ontario.ca

Ice fishing on Cul de Sac Lake (2026–27)

Ontario has no separate ice fishing season: the regular open seasons apply through the ice. Cul de Sac Lake is in Fisheries Management Zone 5, where 11 of 14 species groups are open for the whole ice season (December 1 to March 31) under the zone-wide rules.

Species	Through the ice	Zone-wide season	Limits
Brook trout	Open	open all year	S-5 and C-2
Brown trout	Open	open all year	S-5 and C-2
Crappie	Open	open all year	S-10 and C-5
Lake sturgeon	Closed	closed all year
Lake trout	Different rule here See the rules for this lake below	January 1 to September 30	Ontario and Canadian residents (+4)
Lake whitefish	Different rule here See the rules for this lake below	open all year	S-12 and C-6
Largemouth and smallmouth bass combined	Different rule here See the rules for this lake below	open all year	S-4 and C-2; must be less than 35 centimetres from January 1 to June 30
Muskellunge	Different rule here See the rules for this lake below	third Saturday in June to December 15	S-1; must be greater than 102 centimetres and C-0
Northern pike	Open	open all year	S-4 and C-2; none greater than 75 centimetres
Rainbow trout	Open	open all year	S-5 and C-2
Splake	Open	open all year	S-5 and C-2
Sunfish	Open	open all year	S-50 and C-25
Walleye and sauger combined	Different rule here See the rules for this lake below	January 1 to April 14 and third Saturday in May to December 31	Ontario and Canadian residents (+4)
Yellow perch	Different rule here See the rules for this lake below	open all year	S-50 and C-25

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 Cul de Sac Lake

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

Waterbody exception: Lake Trout: All anglers: S-0 and C-0
Waterbody exception: Lake whitefish - S-4 and C-2; Largemouth and smallmouth bass combined - S-0 and C-0; from January 1 to June 30; Muskellunge - S-1; must be greater than 137 centimetres, and C-0; Walleye and sauger combined: Canadian and Ontario Residents: S-4; none between 43–70 centimetres, not more than 1 greater than 70 centimetres, and C-2; none greater than 43 centimetres; Walleye and sauger combined: Non-Canadian residents: Daily catch and retain limit - S-2; none between 43–70 centimetres, not more than 1 greater than 70 centimetres, and C-2; none greater than 43 centimetres; Walleye and sauger combined: Non-Canadian residents: Possession limit - S-4; none between 43–70 centimetres, not more than 1 greater than 70 centimetres and C-2; none greater than 43 centimetres; Yellow perch - S-15 and C-10
Waterbody exception: Fish or fish parts may not be possessed or used as bait; Barbless hooks only; Lake trout: All anglers: A lake trout tag is required to catch and retain lake trout. In addition to a sport or conservation fishing licence, anglers must have a valid lake trout tag to catch and retain them from these waters.; Lake trout: All anglers: For more information about lake trout tags or to apply for one, contact Kenora work centre.; Lake trout: All anglers: S-0 and C-0 (except for tag holders); open from third Saturday in May to September 30.; Lake trout: All anglers: Only 1 barbless hook may be used and for lake trout.

Ice huts in Zone 5

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 5 ice fishing rules Ice fishing in Ontario guide

Source: Ontario Fishing Regulations Summary 2026, Zone 5 (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.