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Deer Lake

Walleye opens Sat, May 16Deer Lake sits on the shore.

37,341 acSurface area15,111 ha
222 ftMax depth67.7 m
49 ftMean depth14.8 m
Cold-waterWater type
FMZ 2Fishing zone
Deer LakeNearest townon this water
489 miShoreline787 km
RoadsideNearest road
None on fileDepth map

Deer Lake is the 11th-largest of 1,629 named lakes in Ontario Far North, with 489 miles of charted shoreline and 375 islands. Its 222 ft maximum depth is greater than 99% of depth-surveyed lakes in the region.

MNRF aquatic resource surveys

Fish species

Also present: Brook Stickleback, Burbot, Cisco, Deepwater Sculpin, Emerald Shiner, Greater Redhorse, Iowa Darter, Johnny Darter x Tesselated Darter, Logperch, Ninespine Stickleback, 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 2

Lake-specific regulations
  • Special limit on this water: Refer to zone-wide seasons and limits · Refer to zone-wide seasons and limits · Live fish may not be used as bait or possessed for use as bait (All waters north of latitude of the 11th baseline (51°48’11”N.) and west of longitude 89°00’W.)
  • Special limit on this water — Lake Sturgeon: Closed all year · Refer to zone-wide seasons and limits (All waters located within the portion of Zone 2 from the Ontario / Manitoba interprovincial boundary east along the line of 52°35’N. latitude, to the intersection with 93°50’W. longitude, thence south to the intersection with 52°10’N. latitude, thence east to the intersection with 92°10’W. longitude, thence south to the Zone 2 boundary, including all of the waters within Woodland Caribou Provincial Park; thence in a westerly direction to the Ontario/Manitoba interprovincial boundary, thence northerly to the intersection with 52°35’N. latitude.)
Open season
Walleyeopens Sat, May 16
Northern PikeOpen all year
Lake Troutcloses Sep 30
Yellow PerchOpen all year
Lake WhitefishOpen all year

Ice-out here is typically mid May (modeled from regional ice records).

SpeciesSeasonSport licenceConservation
Lake TroutJan. 1 - Sept. 30S - 2, not more than 1 greater than 56 cm (22 in.) from Sept. 1 - Sept. 30; no size limit rest of yearC - 1, any size
Lake WhitefishOpen all yearS - 12C - 6
Northern PikeOpen all yearS - 4, none between 70 - 90 cm (27.6 - 35.4 in.), not more than 1 greater than 90 cm (35.4 in.)C - 2, none between 70 - 90 cm (27.6 - 35.4 in.), not more than 1 greater than 90 cm (35.4 in.)
Walleye and Sauger or any combinationJan. 1 - Apr. 14 & 3rd Sat. in May - Dec. 31S - 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 PerchOpen all yearS - 50C - 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 2 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.

SpeciesGeneralSensitive*Cause
Burbot (Ling)40–4Arsenic, Mercury
Lake Trout4–160–8Mercury
Lake Whitefish8–164–16Arsenic, Mercury
Northern Pike0–160–12Mercury
Walleye0–160–8Mercury
White Sucker164–16Mercury, PFAS

*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.

Around this water

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