Size
40ac
Boat Launch
Carry-in Launch
Toilet
No
Boat Dock
Species in Flat Rock Lake
Cutthroat trout
Overview
Flat Rock Lake Map
Weather
51°Feels like 51°
52°
33°
52°33°6:42 AM
7:54 PM
29 mph
Southwest
0 in
Rain
29.74 inHg
Falling
WednesdayWe
52° / 33°
ThursdayTh
49° / 40°
FridayFr
54° / 38°
SaturdaySa
54° / 37°
SundaySu
53° / 38°
MondayMo
47° / 33°
Moon Phase
September 02, 2026
70% Illumination
waning gibbous, getting dimmer
WednesdayWe09/02
ThursdayTh09/03
FridayFr09/04
SaturdaySa09/05
SundaySu09/06
MondayMo09/07
TuesdayTu09/08
Get Your Line in the Right Water
Quickly find the best places to fish and plan your day right.
Top Fish Species
Cutthroat trout
6-13 in
Length Range
10 in
Length Range
2021
Surveyed
Abundance (CPUE)
Understanding Abundance
Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time
Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.Species Lengths
