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Zone 6 fishing regulations (FMZ 6)

Seasons, limits, exceptions and sanctuaries for Ontario Fisheries Management Zone 6, from the official Ontario Fishing Regulations Summary. Last checked October 18, 2026.

Non-Canadian residents camping on Crown land must follow conservation fishing licence limits.

Rainbow smelt may not be used as bait or possessed for use as bait.

The following waterbodies, or portions of them, have different regulations that are listed in the waterbody exceptions:New Arrow River

Zone-wide seasons and limits in FMZ 6

These apply to every water in the zone unless a species exception, waterbody exception or sanctuary below says otherwise. "S" is the sport fishing licence limit and "C" the conservation licence limit.

SpeciesSeasonLimitsToday
Aggregate limits for trout and salmon (including splake) See the official summary S-5 and C-2; total daily catch and possession limit for all trout and salmon species combinedSee limits
Atlantic salmon open all year S-1 and C-0Open today
Brook trout fourth Saturday in April to Labour Day
Apr 25 – Sep 7 in 2026
S-5 and C-2; not more than 1 greater than 30 centimetresClosed today
Brown trout open all year S-5 and C-2Open today
Channel catfish open all year S-12 and C-6Open today
Crappie open all year S-15 and C-10Open today
Lake sturgeon closed all year Closed today
Lake trout January 1 to September 30
Jan 1 – Sep 30 in 2026
S-2; not more than 1 greater than 56 centimetres from September 1 to September 30, no size limit the rest of the season and C-1; no size limitClosed today
Lake whitefish open all year S-12 and C-6Open today
Largemouth and smallmouth bass combined open all year S-4 and C-2Open today
Muskellunge third Saturday in June to December 15
Jun 20 – Dec 15 in 2026
S-1; must be greater than 91 centimetres, and C-0Open today
Northern pike open all year S-4 and C-2; not more than 1 greater than or equal to 70 centimetresOpen today
Pacific salmon open all year S-5 and C-2Open today
Rainbow trout open all year S-1 and C-0Open today
Splake open all year S-5 and C-2Open today
Sunfish open all year S-50 and C-25Open today
Walleye and sauger combined January 1 to April 14 and third Saturday in May to December 31
Jan 1 – Apr 14, May 16 – Dec 31 in 2026
S-4 and C-2; not more than 1 greater than 46 centimetresOpen today
Yellow perch open all year S-50 and C-25Open today

Source: Ontario Fishing Regulations Summary, Zone 6 on ontario.ca. The summary is Ontario's guide to the regulations made under the Fisheries Act.

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Species exceptions in Zone 6

These waters have different seasons or limits for the species named. They override the zone-wide rules above.

Brook trout: open all year (99 waters)

Limits: S-5 and C-2; no size limit

Brook trout: see official entry (7 waters)

Limits: S-1; must be greater than 56 centimetres, and C-0

Lake trout: open all year (4 waters)

Limits: S-2 and C-1; no size limit

Lake trout: closed all year (1 water)
Rainbow Trout: see official entry (13 waters)

Limits: S-5 and C-2

Rainbow Trout: see official entry (1 water)

Limits: S-1; must be greater than 69 centimetres, and C-0

Walleye: closed all year (1 water)

Waterbody exceptions in Zone 6

Lakes and rivers with their own rules, in the official wording.

Arrow River

Arrow River

  • Live fish may not be used as bait or possessed for use as bait
  • Only barbless hooks may be used
  • Brown trout – S-0 and C-0
  • Brown trout – open from fourth Saturday in April to September 30
  • New Arrow River – between the dam on Arrow Lake (Hardwick Township) and the upstream side of the bridge at Highway 593 (48°06'11″N, 89°53'08″W)
  • Only artificial flies may be used
  • New Arrow River – between the upstream side of the bridge at Highway 593 (48°06'11″N, 89°53'06″W) and its confluence with the Pigeon River in Devon Township
  • Only artificial lures may be used
Jessie Lake

Jessie Lake (49°11′19″N, 88°19′52″W) – Purdom Township

  • Dead rainbow smelt may be used as bait or possessed for use as bait
  • Brook trout – S-1; must be greater than 56 centimetres, and C-0
  • Lake trout – open from February 15 to March 15 and fourth Saturday in May to September 30
  • Northern pike – S-4 and C-2; none between 70-90 centimetres, not more than 1 greater than 90 centimetres
  • New Lac des Mille Lacs (48°52′36″N, 90°30′46″W), including Casino Lake (48°56″02″N, 90°42″57″W), Cushing Lake (48°56″10″N, 90°30″11″W), Panache Lake (48°54″39″N, 90°26″34″W), Pike Lake (48°53″34″N, 90°30″36″W) and all connecting waters between these lakes:
  • Northern pike – open from January 1 to April 14 and second Saturday in May to December 31
  • Walleye – S-4 and C-2; must be greater than 33 centimetres, not more than 1 greater than 46 centimetres
Lake Helen

Lake Helen (49°04′20″N, 88°16′17″W)

  • Dead rainbow smelt may be used as bait or possessed for use as bait
  • Brook trout – S-1; must be greater than 56 centimetres, and C-0
  • Northern pike – S-4 and C-2; none between 70-90 centimetres, not more than 1 greater than 90 centimetres
  • Walleye and sauger – closed all year
Lake Nipigon

Lake Nipigon and its tributaries downstream from the first falls, rapids, dams or lakes or the entire stream if there are no falls, rapids, dams or lakes

  • Also including:waters on the islands of Lake Nipigon – including Forgan Lake, Bonner Lake, Little Bonner Lake and Jackpot Lake (Madeline Lake)
  • Gull River – downstream from the Highway 527 bridge
  • Kabitotikwia River – downstream from the Highway 527 bridge
  • Poshkokagan River – downstream from and including the rapids (49°25′45″N, 89°04′55″W) located 13 kilometres upstream from the Black Sturgeon Road bridge
  • Wabinosh River – downstream from Wabinosh Lake
  • Little Jackfish River – downstream from the centre line of the CN railway bridge
  • Dead rainbow smelt may be used as bait or possessed for use as bait
  • Only artificial lures may be used when angling through the ice
  • Only 1 barbless hook may be used
  • No person shall use stringers, impounding devices or live holding boxes
  • A person may hold fish, other than Brook Trout or Lake Trout, in a livewell
  • No possession of live Lake Trout or Brook Trout permitted
  • Brook trout – open from fourth Saturday in April to September 15
  • Brook trout – S-1; must be greater than 56 centimetres, and C-0
  • Lake trout – open from March 1 to September 30
  • Lake trout – S-2 and C-1; not more than 1 greater than 70 centimetres
  • Northern pike – open from January 1 to April 14 and third Saturday in May to December 31
  • Northern pike – S-4 and C-2; none between 70-90 centimetres, not more than 1 greater than 90 centimetres
  • Walleye and sauger – open from January 1 to April 14 and June 10 to December 31
Lake Nipigon

Lake Nipigon – Ombabika Bay (50°15′N, 88°15′W) and Wabinosh Bay (50°02′N, 88°50′W) and the tributaries of the bays up to the first barrier including the Little Jackfish River downstream from the centre line of the CN railway bridge and Wabinosh River downstream of Wabinosh Lake

  • Walleye and sauger combined – S-2 and C-2; not more than 1 greater than 46 centimetres
Lake Nipigon

Lake Nipigon – West Bay, the waters lying north and west of the north tip of Boles Island

  • Fish sanctuary – closed all year
  • New Little Savanne River from the upstream side of the bridge at Railbed Road (49°05′57″N, 90°18′16″W) to its confluence with the Savanne River (48°56′53″N, 90°15′26″W)
  • Walleye – S-4 and C-2; must be greater than 33 centimetres, not more than 1 greater than 46 centimetres
  • Fish sanctuary – no fishing from April 1 to May 31
McIntyre River

McIntyre River

  • Rainbow trout – S-1; must be greater than 69 centimetres, and C-0
McIntyre River

McIntyre River – from the footbridge to the dam on the University property in the City of Thunder Bay

  • Fish sanctuary – closed all year
Nipigon River

Nipigon River

  • Dead Rainbow Smelt may be used as bait or possessed for use as bait
  • Northern pike – S-4 and C-2; none between 70-90 centimetres, not more than 1 greater than 90 centimetres
Nipigon River and Nipigon Bay

Nipigon River and Nipigon Bay – the Nipigon River from the Alexander Falls Dam in Zone 6 to Nipigon Bay in Zone 9, and the waters of Nipigon Bay in Zone 9 north of a line drawn from Simpson Island (48°49'48″N, 87°40'40″W) across the bay to the mainland at 48°51'21″N, 87°38'47″W

  • Walleye and sauger – closed all year
Nipigon River

Nipigon River

  • Fish sanctuary – no fishing from January 1 to Friday before fourth Saturday in May and Tuesday after Labour Day to December 31 in the following areas:Nipigon River – Backpool below the Alexander Dam east of a line drawn south from the Alexander Dam Log Chute to the northernmost tip of the point of land on the east shore of the Nipigon River
  • Nipigon River – Gapen's Pool (49°01′N, 88°15′W) that part of the Nipigon River lying east of a line drawn north from the eastern shore abutment of Highway 11/17 bridges to the western tip of a point of land on the eastern shore of the outflow from Lake Helen
  • Nipigon River – Parmacheene (49°05′N, 88°19′W) from the downstream edge of the Parmacheene C.N.R. bridge abutments, upstream approximately 400 metres to the first narrows
Polly Lake

Polly Lake (49°07′52″N, 88°15′58″W)

  • Dead rainbow smelt may be used as bait or possessed for use as bait
  • Brook trout – S-1; must be greater than 56 centimetres, and C-0
  • Northern pike – S-4 and C-2; none between 70-90 centimetres, not more than 1 greater than 90 centimetres
  • Walleye and sauger – closed all year
Savanne River

Savanne River (48°56′N, 90°17′W)

  • Walleye – S-4 and C-2; must be greater than 33 centimetres, not more than 1 greater than 46 centimetres
Savanne River

Savanne River (48°56′N, 90°17′W) - from One Mile Creek to Dexter Creek.

  • Fish sanctuary – no fishing from April 1 to May 31

Fish sanctuaries in Zone 6

No fishing is allowed in these places during the periods shown.

No fishing – closed all year (8)
  • Argon Lake – Grand Trunk Pacific Block 2
  • Gessie Lake
  • Henderson Lake – Grand Trunk Pacific Block 2
  • Ice Lake
  • Lake Nipigon – refer to waterbody exceptions
  • McIntyre River – refer to waterbody exceptions
  • Savanne Lake – Grand Trunk Pacific Block 2
  • Squeers Lake (48°31′N, 90°33′W)
No fishing – from January 1 to Friday before fourth Saturday in May and Tuesday after Labour Day to December 31 (1)
  • Nipigon River – refer to waterbody exceptions
No fishing – April 1 to May 31 (18)
  • Granite River and Saganaga Lake – Saganaga Falls
  • Greenwater Creek – from the dam on Greenwater Creek to the first island in Upper Shebandowan Lake
  • Kashabowie River – from the dam on Kashabowie Lake to the island in Upper Shebandowan Lake
  • Little Gunflint Lake
  • Little North Lake
  • Little Savanne River – refer to waterbody exceptions
  • Maligne River and Curran Bay (Saganaga Lake)
  • Pine River – near Gunflint Lake
  • Savanne River – refer to waterbody exceptions
  • Sawmill Creek and Sawmill Bay – Upper Shebandowan Lake
  • Swamp River and Swamp Bay of Lower Shebandowan Lake – Conacher and Hagey Townships
  • Weikwabinonaw River – between Marks Lake and Weikwabinonaw Lake
  • Weikwabinonaw River – from Marks Lake upstream to the Weikwabinonaw Lake Road
  • Weikwabinonaw River – from Trafalgar Bay on Northern Light Lake extending upstream to its confluence with Nelson Creek, including the unnamed lake known locally as Lily Lake
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Frequently asked

When does trout season open in Zone 6?

Zone-wide, brook trout season is fourth Saturday in April to Labour Day (Apr 25 – Sep 7 in 2026). Some rivers have species exceptions or sanctuaries listed on this page that change this.

Can I fish in Zone 6 right now?

The table above shows which species are open today under the zone-wide seasons. A specific river or lake may differ, so check its species exceptions, waterbody exceptions and sanctuaries below before you go.

Do I need a fishing licence in Ontario?

Most anglers need an Outdoors Card and a valid fishing licence (sport or conservation). Some people are exempt, such as Ontario residents under 18 or 65 and over. Check the official licensing rules for your situation.

How do I know if a river is in Zone 6?

Ontario's Fisheries Management Zones are mapped on Fish ON-Line and in the official summary. River mouths on the Great Lakes are often in a different zone from the rest of the river.

All Ontario fishing zones → · Southern Ontario river guides → · Ontario salmon run →

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