Size
43ac
Boat Launch
Carry-in Launch
Toilet
No
Boat Dock
Species in Altamont Reservoir
Largemouth bass
Channel catfish
Crappie
Bluegill
Overview
Altamont Reservoir Map
Weather
75°Feels like 75°
81°
58°
81°58°6:16 AM
7:37 PM
0 mph
North
0 in
Rain
30.11 inHg
Falling
MondayMo
81° / 58°
TuesdayTu
83° / 62°
WednesdayWe
86° / 65°
ThursdayTh
86° / 63°
FridayFr
86° / 64°
SaturdaySa
87° / 69°
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
Largemouth bass
7-22 in
Length Range
14 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
