Twin Lakes SNA

               
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Area and County

Isanti County

 

 

 


Size

48 acres

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Maps

Printable Map with GPS coordinates

 
Parking

County Road 9 (not recommended)
N45 27.132, W93 2.961

Vassar St NE (recommended)
N45 27.310, W93 2.513

 
Hiking Trails

None. There is an old forest road, now barely visible on the ground, that follows at a short distance the south and west shore of Horseshoe Lake.

 
Hunting

Youth deer hunt only. See Hunting and Trapping Regulations (MN DNR) for details.


Ecological Classification

Province

Eastern Broadleaf Forest Province

Ecological Classification

Section

Minnesota & NE Iowa Morainal

Subsection(s)

Anoka Sand Plain

Land Type Association(s)

Anoka Lake Plain

 
Native Plant Communities1 Oak - (Red Maple) Woodland

Ownership Minnesota DNR logo        
 
Links

Minnesota DNR


Comments

History
This SNA was designated August 20, 2012.

Parking
The Minnesota DNR recommends parking on the north shoulder of County Road 9. That is a busy road and there is little room to pull completely off the pavement before the shoulder drops off into a ditch. Do not park at the field approach on County Road 9—that is private property. MinnesotaSeasons.com recommends parking on the West shoulder of Vassar St. NE near the site’s wood routed sign. There is little traffic and there is plenty of room for several vehicles to pull completely off the road.


Visits

5/15/2012

  5/26/2018

 

 

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South Parking (not recommended)

  Twin Lakes SNA    
       

East Parking (recommended)

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Wood Routed Sign

  Twin Lakes SNA   Twin Lakes SNA
  2012   2018
  In 2018, Siberian elm was becoming established in the tiny prairie at the northeast corner of this SNA.
       

Prairie

  Twin Lakes SNA    
       

Oak - (Red Maple) Woodland

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  Twin Lakes SNA   Twin Lakes SNA
       

Old Forest Road

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Horseshoe Lake

  Twin Lakes SNA    
       
       

 

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About

Twin Lakes SNA lies in an extensive nearly level to gently undulating lowland on the Anoka Sand Plain. The primary plant community at this site is White Pine-Hardwood Forest with habitat for state threatened Blandings turtle and state special concern red-shouldered hawk. The most notable characteristic of the surrounding landscape are the diverse wetland complexes. Wetland types such as mixed hardwood swamp, tamarack swamp, shrubs swamp, marsh, and bog lakes have escaped serious disturbance.

 
 

 

 

 

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Visitor Observations

   
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MinnesotaSeasons.com Observations

   

Amphibians

American toad (Anaxyrus americanus)

American toad


Birds

One bird species with conservation status in Minnesota and one tracked species have been seen here:

 

Special concern

Red-shouldered Hawk (Buteo lineatus)

 

Tracked

Bald Eagle (Haliaeetus leucocephalus)

 
 

American Crow (Corvus brachyrhynchos)

American Robin (Turdus migratorius)

Bald Eagle (Haliaeetus leucocephalus)

Barn Swallow (Hirundo rustica)

Black-capped Chickadee (Poecile atricapillus)

Blue Jay (Cyanocitta cristata)

Canada Goose (Branta canadensis)

Common Loon (Gavia immer)

Common Yellowthroat (Geothlypis trichas)

Eastern Wood-peewee (Contopus virens)

Mallard (Anas platyrhynchos)

Mourning Dove (Zenaida macroura)

Northern Flicker (Colaptes auratus)

Ovenbird (Seiurus aurocapillus)

Pileated Woodpecker (Dryocopus pileatus)

Red-bellied Woodpecker (Melanerpes carolinus)

Ring-necked Pheasant (Phasianus colchicus)

Rose-breasted Grosbeak (Pheucticus ludovicianus)

Turkey Vulture (Cathartes aura)

Wild Turkey (Meleagris gallopavo)

Wood Duck (Aix sponsa)

Black-capped Chickadee

Common Loon

Mallard

Mourning Dove

Wild Turkey

Wood Duck


Fungi and Lichens

Artist’s Conk (Ganoderma applanatum)

Black Knot (Apiosporina morbosa)

Crown Rust (Puccinia coronata)

False Turkey Tail (Stereum ostrea)

True Tinder Polypore (Fomes fomentarius)

True Tinder Polypore


Insects and Arachnids

American dog tick (Dermacentor variabilis)

blacklegged tick (Ixodes scapularis)

chalk-fronted corporal (Ladona julia)

chokecherry finger gall mite (Eriophyes emarginatae)

common baskettail (Epitheca cynosura)

eastern tent caterpillar moth (Malacosoma americanum)

eastern tiger swallowtail (Papilio glaucus)

four-spotted skimmer (Libellula quadrimaculata)

goldenrod gall fly (Eurosta solidaginis)

maple bladdergall mite (Vasates quadripedes)

monarch (Danaus plexippus)

mourning cloak (Nymphalis antiopa)

orange sulphur (Colias eurytheme)

red admiral (Vanessa atalanta)

western honey bee (Apis mellifera)

white admiral (Limenitis arthemis arthemis)

white-lined sphinx (Hyles lineata)

chalk-fronted corporal

finger gall of chokecherry finger gall mite

eastern tent caterpillar

monarch

white admiral


Mammals

eastern gray squirrel (Sciurus carolinensis)

plains pocket gopher (Geomys bursarius)

whitetail deer (Odocoileus virginianus)

whitetail deer


Plants

Plants frequently found in:

Oak - (Red Maple) Woodland FDs37a

 
 

 

alfalfa (Medicago sativa ssp. sativa)

Allegheny blackberry (Rubus allegheniensis)

alsike clover (Trifolium hybridum)

American elderberry (Sambucus nigra ssp. canadensis)

American red raspberry (Rubus idaeus ssp. strigosus)

American starflower (Lysimachia borealis)

American vetch (Vicia americana ssp. americana)

arrow-leaved violet (Viola sagittata var. sagittata)

bigleaf aster (Eurybia macrophylla)

bigtooth aspen (Populus grandidentata)

black bindweed (Fallopia convolvulus)

black cherry (Prunus serotina var. serotina)

black-seeded plantain (Plantago rugelii var. rugelii)

bland sweet cicely (Osmorhiza claytonii)

blunt-leaf grove sandwort (Moehringia lateriflora)

boxelder (Acer negundo var. negundo)

bristly greenbrier (Smilax tamnoides)

bur oak (Quercus macrocarpa var. macrocarpa)

Canada mayflower (Maianthemum canadense)

Canada wildrye (Elymus canadensis)

Canadian woodnettle (Laportea canadensis)

catnip (Nepeta cataria)

chokecherry (Prunus virginiana var. virginiana)

cinnamon fern (Osmundastrum cinnamomea)

cleavers (Galium aparine)

common blue violet (Viola sororia)

common buckthorn (Rhamnus cathartica)

common cinquefoil (Potentilla simplex)

common dandelion (Taraxacum officinale ssp. officinale)

common false Solomon’s seal (Maianthemum racemosum var. racemosum)

common juniper (Juniperus communis var. depressa)

common milkweed (Asclepias syriaca)

common mullein (Verbascum thapsus ssp. thapsus)

common ragweed (Ambrosia artemisiifolia)

common strawberry (Fragaria virginiana)

common yarrow (Achillea millefolium)

cream pea (Lathyrus ochroleucus)

crested wood fern (Dryopteris cristata)

curly dock (Rumex crispus)

early figwort (Scrophularia lanceolata)

eastern prickly gooseberry (Ribes cynosbati)

eastern redcedar (Juniperus virginiana var. virginiana)

eastern star sedge (Carex radiata)

eastern white pine (Pinus strobus)

fan clubmoss (Diphasiastrum digitatum)

field horsetail (Equisetum arvense)

fragrant bedstraw (Galium triflorum)

glossy buckthorn (Frangula alnus)

gray goldenrod (Solidago nemoralis)

gray-headed coneflower (Ratibida pinnata)

ground ivy (Glechoma hederacea)

hoary alyssum (Berteroa incana)

interrupted fern (Osmunda claytoniana)

Jack-in-the-pulpit (Arisaema triphyllum)

little bluestem (Schizachyrium scoparium var. scoparium)

lowbush blueberry (Vaccinium angustifolium)

narrow-leaved purple coneflower (Echinacea angustifolia)

northern bedstraw (Galium boreale)

northern blue flag (Iris versicolor)

northern lady fern (Athyrium filix-femina ssp. angustum)

northern pin oak (Quercus ellipsoidalis)

northern prickly ash (Zanthoxylum americanum)

northern red oak (Quercus rubra)

one-cone clubmoss (Lycopodium lagopus)

ostrich fern (Matteuccia struthiopteris var. pensylvanica)

paper birch (Betula papyrifera var. papyrifera)

Pennsylvania sedge (Carex pensylvanica)

prickly rose (Rosa acicularis ssp. sayi)

quackgrass (Elymus repens)

red clover (Trifolium pratense)

red elderberry (Sambucus racemosa var. racemosa)

red maple (Acer rubrum var. rubrum)

round-headed bush clover (Lespedeza capitata)

royal fern (Osmunda regalis var. spectabilis)

sensitive fern (Onoclea sensibilis)

Siberian elm (Ulmus pumila)

silvery cinquefoil (Potentilla argentea)

smooth blackberry (Rubus canadensis)

smooth rose (Rosa blanda var. blanda)

smooth Solomon’s seal (Polygonatum biflorum var. commutatum)

smooth sumac (Rhus glabra)

spinulose wood fern (Dryopteris carthusiana)

spreading dogbane (Apocynum androsaemifolium)

starry false Solomon’s seal (Maianthemum stellatum)

stinging nettle (Urtica dioica ssp. gracilis)

switch grass (Panicum virgatum var. virgatum)

tree groundpine (Lycopodium dendroideum)

touch-me-not (Impatiens sp.)

western bracken fern (Pteridium aquilinum var. latiusculum)

western poison ivy (Toxicodendron rydbergii)

western ragweed (Ambrosia psilostachya)

white oak (Quercus alba)

white rattlesnake root (Nabalus albus)

white sage (Artemisia ludoviciana ssp. ludoviciana)

white snakeroot (Ageratina altissima var. altissima)

wild bergamot (Monarda fistulosa)

wild columbine (Aquilegia canadensis)

wild grape (Vitis riparia)

wild oats (Uvularia sessilifolia)

wild sarsaparilla (Aralia nudicaulis)

wood anemone (Anemone quinquefolia var. quinquefolia)

woodbine (Parthenocissus vitacea)

woodland strawberry (Fragaria vesca ssp. americana)

 

Acer negundo var. negundo (boxelder)

Acer rubrum var. rubrum (red maple)

Achillea millefolium (common yarrow)

Ageratina altissima var. altissima (white snakeroot)

Ambrosia artemisiifolia (common ragweed)

Ambrosia psilostachya (western ragweed)

Anemone quinquefolia var. quinquefolia (wood anemone)

Apocynum androsaemifolium (spreading dogbane)

Aquilegia canadensis (wild columbine)

Aralia nudicaulis (wild sarsaparilla)

Arisaema triphyllum (Jack-in-the-pulpit)

Artemisia ludoviciana ssp. ludoviciana (white sage)

Asclepias syriaca (common milkweed)

Athyrium filix-femina ssp. angustum (northern lady fern)

Berteroa incana (hoary alyssum)

Betula papyrifera var. papyrifera (paper birch)

Carex pensylvanica (Pennsylvania sedge)

Carex radiata (eastern star sedge)

Diphasiastrum digitatum (fan clubmoss)

Dryopteris carthusiana (spinulose wood fern)

Dryopteris cristata (crested wood fern)

Echinacea angustifolia (narrow-leaved purple coneflower)

Elymus canadensis (Canada wildrye)

Elymus repens (quackgrass)

Equisetum arvense (field horsetail)

Eurybia macrophylla (bigleaf aster)

Fallopia convolvulus (black bindweed)

Fragaria vesca ssp. americana (woodland strawberry)

Fragaria virginiana (common strawberry)

Frangula alnus (glossy buckthorn)

Galium aparine (cleavers)

Galium boreale (northern bedstraw)

Galium triflorum (fragrant bedstraw)

Glechoma hederacea (ground ivy)

Impatiens sp. (touch-me-not)

Iris versicolor (northern blue flag)

Juniperus communis var. depressa (common juniper)

Juniperus virginiana var. virginiana (eastern redcedar)

Laportea canadensis (Canadian woodnettle)

Lathyrus ochroleucus (cream pea)

Lespedeza capitata (round-headed bush clover)

Lycopodium dendroideum (tree groundpine)

Lycopodium lagopus (one-cone clubmoss)

Lysimachia borealis (American starflower)

Maianthemum canadense (Canada mayflower)

Maianthemum racemosum var. racemosum (common false Solomon’s seal)

Maianthemum stellatum (starry false Solomon’s seal)

Matteuccia struthiopteris var. pensylvanica (ostrich fern)

Medicago sativa ssp. sativa (alfalfa)

Moehringia lateriflora (blunt-leaf grove sandwort)

Monarda fistulosa (wild bergamot)

Nabalus albus (white rattlesnake root)

Nepeta cataria (catnip)

Onoclea sensibilis (sensitive fern)

Osmorhiza claytonii (bland sweet cicely)

Osmunda claytoniana (interrupted fern)

Osmunda regalis var. spectabilis (royal fern)

Osmundastrum cinnamomea (cinnamon fern)

Panicum virgatum var. virgatum (switch grass)

Parthenocissus vitacea (woodbine)

Pinus strobus (eastern white pine)

Plantago rugelii var. rugelii (black-seeded plantain)

Polygonatum biflorum var. commutatum (smooth Solomon’s seal)

Populus grandidentata (bigtooth aspen)

Potentilla argentea (silvery cinquefoil)

Potentilla simplex (common cinquefoil)

Prunus serotina var. serotina (black cherry)

Prunus virginiana var. virginiana (chokecherry)

Pteridium aquilinum var. latiusculum (western bracken fern)

Quercus alba (white oak)

Quercus ellipsoidalis (northern pin oak)

Quercus macrocarpa var. macrocarpa (bur oak)

Quercus rubra (northern red oak)

Ratibida pinnata (gray-headed coneflower)

Rhamnus cathartica (common buckthorn)

Rhus glabra (smooth sumac)

Ribes cynosbati (eastern prickly gooseberry)

Rosa acicularis ssp. sayi (prickly rose)

Rosa blanda var. blanda (smooth rose)

Rubus allegheniensis (Allegheny blackberry)

Rubus canadensis (smooth blackberry)

Rubus idaeus ssp. strigosus (American red raspberry)

Rumex crispus (curly dock)

Sambucus nigra ssp. canadensis (American elderberry)

Sambucus racemosa var. racemosa (red elderberry)

Schizachyrium scoparium var. scoparium (little bluestem)

Scrophularia lanceolata (early figwort)

Smilax tamnoides (bristly greenbrier)

Solidago nemoralis (gray goldenrod)

Taraxacum officinale ssp. officinale (common dandelion)

Toxicodendron rydbergii (western poison ivy)

Trifolium hybridum (alsike clover)

Trifolium pratense (red clover)

Ulmus pumila (Siberian elm)

Urtica dioica ssp. gracilis (stinging nettle)

Uvularia sessilifolia (wild oats)

Vaccinium angustifolium (lowbush blueberry)

Verbascum thapsus ssp. thapsus (common mullein)

Vicia americana ssp. americana (American vetch)

Viola sagittata var. sagittata (arrow-leaved violet)

Viola sororia (common blue violet)

Vitis riparia (wild grape)

Zanthoxylum americanum (northern prickly ash)

alsike clover

American elderberry

American starflower

American vetch

black bindweed

black cherry

bur oak (var. macrocarpa)

chokecherry

common blue violet

common false Solomon’s seal

common mullein

common yarrow

fragrant bedstraw

gray-headed coneflower

hoary alyssum

northern bedstraw

northern blue flag

northern prickly ash

prairie rose

red elderberry

round-headed bush clover

silvery cinquefoil

smooth rose

spreading dogbane

western poison ivy flowers

wild bergamot

wild columbine

wood anemone


Reptiles

One reptile species with conservation status in Minnesota has been seen here:

 

Threatened

Blanding’s turtle (Emydoidea blandingii)


 

 

Binoculars

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