Size
120ac
Boat Launch
Carry-in Launch
Toilet
Yes
Boat Dock
Species in McMahon Lake
Bluegill
Crappie
Northern pike
Largemouth bass
Perch
Walleye
Pumpkinseed
Overview
McMahon Lake Map
Weather
65°Feels like 65°
81°
65°
81°65°6:27 AM
8:04 PM
0 mph
South
0 in
Rain
30.03 inHg
Stable
MondayMo
81° / 65°
TuesdayTu
85° / 64°
WednesdayWe
80° / 60°
ThursdayTh
81° / 57°
FridayFr
81° / 62°
SaturdaySa
80° / 66°
Moon Phase
August 24, 2026
87% Illumination
waxing gibbous, getting brighter
MondayMo08/24
TuesdayTu08/25
WednesdayWe08/26
ThursdayTh08/27
FridayFr08/28
SaturdaySa08/29
SundaySu08/30
Get Your Line in the Right Water
Quickly find the best places to fish and plan your day right.
Top Fish Species
Bluegill
3-10 in
Length Range
5 in
Length Range
2025
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
