Onion

Cook County, Minnesota — DOW #16013100

3 Surveys

35.12

Acres

4 ft

Max Depth

0

3

Fish Species

10

Local Guides

DNR Fish Surveys

Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Onion. Green = above normal range. Red = below normal.

Green Sunfish

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1986-08-07	Standard gill nets	1.0 (normal)	1.0 – 5.0	0.20 lb	1

Yellow Perch

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1986-08-07	Standard gill nets	12.0 (normal)	2.0 – 15.0	0.19 lb	12

White Sucker

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1986-08-07	Standard gill nets	61.0 (above normal)	3.0 – 23.0	1.07 lb	61

Depth Maps & Lake Info

View on MN DNR LakeFinder

Map & Directions

Showing 14 nearby bait & tackle shops on the map.

Nearby Marinas

Bearskin Wilderness Outfitters

Grand Marais, MN

★ 4.7

BoatPAL Services

Grand Marais, MN

★ 5

Grand Marais Boat Rides

Grand Marais, MN

Grand Marais Campground & Marina

Grand Marais, MN

★ 4.6

Grand Marais Harbor

Grand Marais, MN

Grand Marais Marina Photogenic Point

Grand Marais, MN

Resorts & Lodges Near Onion

Plan your stay — fishing resorts and lodges near Onion.

Eve's Place Lakeside Cabins

Fishing Resort Grand Marais

(218) 370-9834

SAGONTO Wilderness Resort

Fishing Resort Grand Marais

(218) 370-1074

Timberlund's Resort

Fishing Resort Grand Marais

(218) 387-1147

Borderland Lodge

Fishing Resort Grand Marais

(218) 388-2233

View all 888 Minnesota resorts →

Fish Species

Species known to inhabit Onion. Click any species for a full fishing guide.

Green Sunfish White Sucker Yellow Perch

Fishing Guides Near Onion

Devil Track Lake Cabins

(218) 877-7502

Fly Box And Company

(218) 370-9659

Grand Marais Charters

(218) 370-5800

Little Vince's Guide Services

(218) 388-9942

Northshore Outdoors

(218) 370-8726

Riptide Charters

View all 10 guides →

Other Lakes in Cook County

Abita

Ada

Agnes

Alder

Allen

Alpine

Plan Your Trip to Onion

Weather forecast for Onion — check wind, rain, and temperature before you go
GPS: 48.0107°N, 90.2876°W — Get Directions
View on MN DNR LakeFinder for the latest survey data and lake info
Review Minnesota fishing regulations for season dates and limits
A Minnesota fishing license is required for ages 16+ — buy online at dnr.state.mn.us

Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026. Learn how we maintain this data.