Rock

Aitkin County, Minnesota — DOW #01007200

67 Surveys

341.48

Acres

13 ft

Max Depth

Fish Species

Local Guides

DNR Fish Surveys

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

Black Crappie

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1988-08-22	Standard gill nets	1.0 (normal)	1.0 – 7.3	0.10 lb	1
1988-08-22	Standard trap nets	5.9 (normal)	0.8 – 6.5	0.63 lb	47
2017-06-12	Standard gill nets	4.5 (normal)	1.0 – 7.3	0.27 lb	9
2017-06-12	Standard trap nets	6.8 (above normal)	0.8 – 6.5	0.39 lb	61
1973-08-31	Standard gill nets	1.0 (normal)	1.0 – 7.3	0.10 lb	1
1973-08-31	Standard trap nets	9.9 (above normal)	0.8 – 6.5	1.03 lb	69
2007-06-11	Standard gill nets	7.0 (normal)	1.0 – 7.3	0.14 lb	14
2007-06-11	Standard trap nets	6.1 (normal)	0.8 – 6.5	0.33 lb	55

Northern Pike

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1988-08-22	Standard gill nets	1.0 (below normal)	4.6 – 11.6	2.50 lb	1
1988-08-22	Standard trap nets	1.0	—	1.88 lb	8
2017-06-12	Standard gill nets	6.0 (normal)	4.6 – 11.6	2.81 lb	12
2017-06-12	Standard trap nets	0.7	—	2.88 lb	6
1973-08-31	Standard trap nets	1.7	—	1.73 lb	12
2007-06-11	Standard gill nets	17.5 (above normal)	4.6 – 11.6	3.71 lb	35
2007-06-11	Standard trap nets	1.4	—	2.90 lb	13

Black Bullhead

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1988-08-22	Standard gill nets	34.0 (normal)	1.9 – 57.5	0.38 lb	34
1988-08-22	Standard trap nets	77.4 (above normal)	1.1 – 17.4	0.41 lb	619
2017-06-12	Standard trap nets	0.2 (below normal)	1.1 – 17.4	0.35 lb	2
2017-06-12	Standard gill nets	2.0 (normal)	1.9 – 57.5	0.25 lb	4
1973-08-31	Standard gill nets	6.0 (normal)	1.9 – 57.5	0.53 lb	6
1973-08-31	Standard trap nets	206.3 (above normal)	1.1 – 17.4	0.46 lb	1444
2007-06-11	Standard trap nets	22.3 (above normal)	1.1 – 17.4	0.44 lb	201
2007-06-11	Standard gill nets	47.0 (normal)	1.9 – 57.5	0.36 lb	94

White Sucker

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1988-08-22	Standard gill nets	1.0 (normal)	1.0 – 5.5	1.90 lb	1

Bowfin

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1988-08-22	Standard trap nets	1.6 (normal)	0.5 – 1.7	4.38 lb	13
2017-06-12	Standard trap nets	2.2 (above normal)	0.5 – 1.7	3.69 lb	20
1973-08-31	Standard trap nets	2.0 (above normal)	0.5 – 1.7	1.86 lb	14
2007-06-11	Standard gill nets	0.5 (normal)	0.5 – 1.5	4.43 lb	1
2007-06-11	Standard trap nets	3.6 (above normal)	0.5 – 1.7	5.14 lb	32

Bluegill

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1988-08-22	Standard trap nets	20.3 (normal)	2.5 – 25.0	0.05 lb	162
1988-08-22	Standard gill nets	1.0	—	0.10 lb	1
2017-06-12	Standard gill nets	1.0	—	0.04 lb	2
2017-06-12	Standard trap nets	21.8 (normal)	2.5 – 25.0	0.09 lb	196
2007-06-11	Standard gill nets	15.5	—	0.13 lb	31
2007-06-11	Standard trap nets	140.1 (above normal)	2.5 – 25.0	0.04 lb	1261

Yellow Perch

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1988-08-22	Standard trap nets	12.5 (above normal)	0.8 – 4.5	0.26 lb	100
1988-08-22	Standard gill nets	20.0 (normal)	8.0 – 40.3	0.15 lb	20
2017-06-12	Standard trap nets	6.4 (above normal)	0.8 – 4.5	0.19 lb	58
2017-06-12	Standard gill nets	46.0 (above normal)	8.0 – 40.3	0.19 lb	92
1973-08-31	Standard trap nets	1.3 (normal)	0.8 – 4.5	0.46 lb	9
1973-08-31	Standard gill nets	3.0 (below normal)	8.0 – 40.3	0.17 lb	3
2007-06-11	Standard trap nets	0.6 (below normal)	0.8 – 4.5	0.16 lb	5
2007-06-11	Standard gill nets	72.5 (above normal)	8.0 – 40.3	0.04 lb	145

Largemouth Bass

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1988-08-22	Standard trap nets	1.3 (above normal)	0.3 – 0.9	0.50 lb	10
2007-06-11	Standard trap nets	0.3 (normal)	0.3 – 0.9	1.80 lb	3

Pumpkinseed

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1988-08-22	Standard gill nets	2.0	—	0.10 lb	2
1988-08-22	Standard trap nets	7.3 (normal)	1.4 – 8.6	0.18 lb	58
2017-06-12	Standard trap nets	3.8 (normal)	1.4 – 8.6	0.15 lb	34
1973-08-31	Standard trap nets	0.1 (below normal)	1.4 – 8.6	0.40 lb	1
2007-06-11	Standard gill nets	1.0	—	0.10 lb	2
2007-06-11	Standard trap nets	8.6 (normal)	1.4 – 8.6	0.14 lb	77

Yellow Bullhead

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
1988-08-22	Standard gill nets	1.0 (normal)	0.6 – 5.0	0.90 lb	1
1988-08-22	Standard trap nets	10.1 (above normal)	1.8 – 7.2	0.43 lb	81
2017-06-12	Standard gill nets	2.0 (normal)	0.6 – 5.0	0.55 lb	4
2017-06-12	Standard trap nets	2.0 (normal)	1.8 – 7.2	0.69 lb	18
1973-08-31	Standard trap nets	12.0 (above normal)	1.8 – 7.2	0.57 lb	84
2007-06-11	Standard gill nets	8.0 (above normal)	0.6 – 5.0	0.28 lb	16
2007-06-11	Standard trap nets	25.0 (above normal)	1.8 – 7.2	0.35 lb	225

Brown Bullhead

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
2017-06-12	Standard trap nets	0.4 (below normal)	1.5 – 9.8	1.23 lb	4
1973-08-31	Standard trap nets	3.6 (normal)	1.5 – 9.8	0.54 lb	25
2007-06-11	Standard trap nets	0.1 (below normal)	1.5 – 9.8	0.66 lb	1
2007-06-11	Standard gill nets	1.0 (below normal)	1.5 – 9.9	0.60 lb	2

Golden Shiner

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
2017-06-12	Standard trap nets	0.4 (normal)	0.2 – 0.7	0.08 lb	4

Hybrid Sunfish

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
2017-06-12	Standard trap nets	0.2	—	0.71 lb	2
2007-06-11	Standard gill nets	0.5	—	0.54 lb	1
2007-06-11	Standard trap nets	1.4	—	0.22 lb	13

Walleye

Date	Gear	CPUE	Normal Range	Avg Weight	Total Catch
2017-06-12	Standard trap nets	0.1 (below normal)	0.3 – 0.8	1.50 lb	1

Depth Maps & Lake Info

View on MN DNR LakeFinder

Map & Directions

Get Directions

Showing 14 nearby bait & tackle shops on the map.

Nearby Bait & Tackle

Nearby Marinas

3K StorageMN on Lake Minnewawa

McGregor, MN

(218) 429-2108

★ 5

Aitkin Rental

Aitkin, MN

(218) 927-6907

★ 4.5

Farm Island Repair and Marine

Aitkin, MN

(218) 927-6395

★ 4.7

FLOE International

McGregor, MN

(800) 336-6337

★ 4.8

Horseshoelakestorage.net

McGregor, MN

(218) 670-0063

★ 5

Libby Marine

McGregor, MN

(218) 994-9245

Resorts & Lodges Near Rock

Plan your stay — fishing resorts and lodges near Rock.

Big Sandy Lake Cabin Rental

Fishing Resort McGregor

(612) 735-9455

McGregor Cabin Rentals

Fishing Resort McGregor

(218) 839-7545

Loaf N Leisure Resort and RV Park

Fishing Resort Aitkin

(218) 234-2882

Ole's Resort

Fishing Resort McGregor

(218) 426-3487

View all 888 Minnesota resorts →

Fish Species

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

Black Bullhead Black Crappie Bluegill Bowfin (Dogfish)Brown Bullhead Hybrid Sunfish Northern Pike Pumpkinseed Walleye Yellow Bullhead Yellow Perch

Fishing Guides Near Rock

Mille Lacs Lake Fishing Guide

Fishing Guide

(651) 271-8600

Mille Lacs Lake Guiding

Fishing Guide

(763) 238-7507

North Mille Lacs Ice Fishing

Fishing Guide

(218) 670-5012

Other Lakes in Aitkin County

Plan Your Trip to Rock

Weather forecast for Rock — check wind, rain, and temperature before you go
GPS: 46.6320°N, 93.3859°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.

Rock

DNR Fish Surveys

Black Crappie

Northern Pike

Black Bullhead

White Sucker

Bowfin

Bluegill

Yellow Perch

Largemouth Bass

Pumpkinseed

Yellow Bullhead

Brown Bullhead

Golden Shiner

Hybrid Sunfish

Walleye

Depth Maps & Lake Info

Map & Directions

Nearby Bait & Tackle

Aitkin Backwoods Farm Supply LLC

Bill's Sportsmans Service

Farm Island Store

Farm Island Store & Off Sale

Glen Store

McGregor Oil

Sather's Gateway Store

Sue’s Bait shop

Nearby Marinas

3K StorageMN on Lake Minnewawa

Aitkin Rental

Farm Island Repair and Marine

FLOE International

Horseshoelakestorage.net

Libby Marine

Resorts & Lodges Near Rock

Fish Species

Fishing Guides Near Rock

Other Lakes in Aitkin County

Aitkin

Anderson

Bachelor

Ball Bluff

Bass

Bay

Plan Your Trip to Rock