Minnesota Lake File

Rock Lake — Cass County, MN

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Fish species

• black crappie
• bluegill
• bowfin (dogfish)
• brown bullhead
• hybrid sunfish
• largemouth bass
• northern pike
• pumpkinseed
• white sucker
• yellow bullhead
• yellow perch

Latest DNR survey (2025-08-12)

Species	CPUE	Avg lbs
YEP	0.25	0.12
YEB	56.00	0.41
NOP	16.50	1.81
YEB	2.00	0.62
NOP	1.00	1.26
HSF	1.25	0.15
LMB	0.50	0.64
BLG	4.00	0.04
PMK	22.50	0.07
BLC	17.50	0.12

CPUE = catch per unit effort in the DNR's nets. Source: Minnesota DNR LakeFinder.

Public access

DNR ownership- Forestry west side of the lake T.134N R.30W S.9.

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