Anna Lake

How big is Anna Lake?

How deep is Anna Lake?

What kind of fish can you catch in Anna Lake?

What are the closest cities to Anna Lake?

Are there boat launches on Anna Lake?

Are there places to eat and drink near Anna Lake?

Anna Lake is a 538-acre mesotrophic (moderately fertile) lake located in south-central Otter Tail County approximately four miles north of Underwood, MN. The immediate watershed is composed primarily of agricultural land interspersed with hardwood woodlots. The maximum depth is 55 feet; however, 69% of the lake is 15 feet or less in depth. Secchi disk readings have ranged from 4.0 to 9.3 feet.
The majority of the shoreline of Anna Lake remains undeveloped. A DNR owned concrete public access is located along the southwest shoreline. Shoal water substrates consist primarily of sand and gravel. Hardstem bulrush and common cattail are prevalent along the entire shoreline of the lake. Emergent aquatic plants such as bulrush and cattail provide valuable fish and wildlife habitat, and are critical for maintaining good water quality. They protect shorelines and lake bottoms, and can absorb and break down polluting chemicals. Emergent plants provide spawning areas for fish such as Northern Pike, Largemouth Bass, and Panfish. They also serve as important nursery areas for all species of fish. Because of their ecological value, emergent plants may not be removed without a DNR permit. To maintain the excellent water quality and angling that this lake has to offer, it is imperative to preserve the quality of the aquatic habitat.
A special gillnetting survey was conducted to analyze the Walleye and Northern Pike populations.
Walleyes ranged in length from 9.1 to 28.2 inches with an average length and weight of 17.3 inches and 1.9 pounds. The 2016 year class is strong and should provide good Walleye angling for several years. Walleyes attain an average length of 15.1 inches at four years of age.
Northern Pike ranged in length from 16.6 to 30.7 inches with an average length and weight of 23.2 inches and 2.7 pounds. Northern Pike exhibit good growth rates with an average length of 23.9 inches at five years of age.
Anglers can maintain or improve the quality of angling by practicing selective harvest. Selective harvest encourages the release of medium to large size fish while allowing the harvest of more abundant smaller fish for table fare. Releasing the medium to large fish will ensure that the lake will have enough spawning age fish on an annual basis and will provide anglers with more opportunities to catch large fish in the future.
Anna Lake is not listed as an infested water. Aquatic invasive species are threatening Minnesota waters. Aquatic invasive species can potentially harm water quality, water recreation, aquatic habitat, native species, and fish populations. Anglers can help prevent the introduction and spread of invasive species by following watercraft transportation laws.

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