Hemlock Ravine SNA






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Minnesota DNR








Hemlock Ravine SNA was designated 8/23/1982.












Detail map (MN DNR)


Printable Map(s) with GPS coordinates

  Printable map      



51 acres




There is a parking area on the east side of Jay Cooke Road.

N46 40.005, W92 21.222


Driving Directions

  Area and County  

Get driving directions from Google Maps to this destination from any address, and send those directions to your phone.

          Carlton County  
          Northeast Minnesota  

Hiking Trails


The Willard Munger State Trail forms the long southeast border of this triangular SNA. Parts of this section of trail are shared with the Superior Hking Trail.




Deer only, by permit. Varies yearly. See Hunting and Trapping Regulations (MN DNR) for details.


Ecological Classification

  Ecological Classification  
  Ecological Province    

Laurentian Mixed Forest Province

  Ecological Section    

Northern Superior Uplands

  Ecological Subsection    

North Shore Highlands

  Land Type Association    

Highland Moraine


Native Plant Communities*


Red Oak - Sugar Maple - Basswood - (Bluebead Lily) Forest

Sugar Maple - Basswood - (Bluebead Lily) Forest

White Pine - White Spruce - Paper Birch Forest

  * Source: The Minnesota Biological Survey, Minnesota Department of Natural Resources, Division of Ecological Resources      

Natural Features







A portion of this site is a state wildlife sanctuary. It is closed to the public to protect rare and sensitive resources. It splits Hemlock Ravine SNA in half north to south. Parking is on the west section. The east section can be accesed from the Willard Munger State Trail.






Visitor Photos

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Laurie Grimm


Mudslide Hemlock Ravine

    Hemlock Ravine SNA      

Tom Hemlock Ravine Tree

    Hemlock Ravine SNA      
MinnesotaSeasons.com Photos


    Hemlock Ravine SNA   Hemlock Ravine SNA  

Wood Routed Sign

    Hemlock Ravine SNA      

Information Sign at Parking Area

    Hemlock Ravine SNA      

Willard Munger State Trail - Hinckley to Duluth

    Hemlock Ravine SNA   Hemlock Ravine SNA  

Information Sign on Bike Trail

    Hemlock Ravine SNA   Hemlock Ravine SNA  


    Hemlock Ravine SNA      

Deer Enclosure

    Hemlock Ravine SNA   Hemlock Ravine SNA  
    Hemlock Ravine SNA      

Red Oak - Sugar Maple - Basswood - (Bluebead Lily) Forest

    Hemlock Ravine SNA   Hemlock Ravine SNA  

Sugar Maple - Basswood - (Bluebead Lily) Forest

    Hemlock Ravine SNA      

White Pine - White Spruce - Paper Birch Forest

    Hemlock Ravine SNA      






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Visitor Sightings

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Laurie Grimm



  wood frog (Rana sylvatica)   wood frog  


  eastern hemlock (Tsuga canadensis)   eastern hemlock  
MinnesotaSeasons.com Sightings





  wood frog (Rana sylvatica)   wood frog  

Bacteria, Viruses, and Other Pathogens




Minnesota DNR Bird checklist

eBird Field Checklist


American Crow (Corvus brachyrhynchos)

Black-capped Chickadee (Poecile atricapillus)

Common Yellowthroat (Geothlypis trichas)

Ovenbird (Seiurus aurocapilla)

Red-eyed Vireo (Vireo olivaceus)

Sedge Wren (Cistothorus platensis)

  Black-capped Chickadee  

Fungi and Lichens


Minnesota Biodiversity Atlas Fungi List


Fairy Fingers (Clavaria fragilis)

Hoof Fungus (Fomes fomentarius)

Turkey Tail (Trametes versicolor)

  Turkey Tail  

Insects and Arachnids


eastern tiger swallowtail (Papilio glaucus)

northern crescent (Phyciodes cocyta)

pearl crescent (Phyciodes tharos)

ruby meadowhawk (Sympetrum rubicundulum)

thimbleberry stem gall wasp (Diastrophus kincaidii)

wood, mound, and field ants (Formica spp.)


eastern tiger swallowtail

northern crescent



  American red squirrel (Tamiasciurus hudsonicus)   American red squirrel  



One plant species with conservation status in Minnesota is found here:


eastern hemlock (Tsuga canadensis)


Minnesota Biodiversity Atlas and Minnesota Biological Survey Vegetation Releves Plant List


Plants frequently found in:

Red Oak - Sugar Maple - Basswood - (Bluebead Lily) Forest MHn35b

Sugar Maple - Basswood - (Bluebead Lily) Forest MHn47a

White Pine - White Spruce - Paper Birch Forest MHn44b



alsike clover (Trifolium hybridum)

American basswood (Tilia americana var. americana)

American hophornbeam (Ostrya virginiana var. virginiana)

American red raspberry (Rubus idaeus ssp. strigosus)

American vetch (Vicia americana ssp. americana)

American woodland strawberry (Fragaria vesca ssp. americana)

beaked hazelnut (Corylus cornuta var. cornuta)

bigleaf aster (Eurybia macrophylla)

bird’s-foot trefoil (Lotus corniculatus var. corniculatus)

black medick (Medicago lupulina)

black-seeded plantain (Plantago rugelii var. rugelii)

bluebead lily (Clintonia borealis)

bristly buttercup (Ranunculus hispidus)

brittlestem hempnettle (Galeopsis tetrahit)

broadleaf enchanter’s nightshade (Circaea canadensis)

bunchberry (Cornus canadensis)

Canada mayflower (Maianthemum canadense)

Canadian honewort (Cryptotaenia canadensis)

Canadian wild ginger (Asarum canadense)

common dandelion (Taraxacum officinale ssp. officinale)

common ragweed (Ambrosia artemisiifolia)

common selfheal (Prunella vulgaris)

common tansy (Tanacetum vulgare)

common yarrow (Achillea millefolium)

eastern hemlock (Tsuga canadensis)

eastern white pine (Pinus strobus)

field clover (Trifolium campestre ssp. campestre)

fragrant bedstraw (Galium triflorum)

golden clover (Trifolium aureum)

hedge bindweed (Calystegia sepium)

interrupted fern (Claytosmunda claytoniana)

jack-in-the-pulpit (Arisaema triphyllum)

kidney-leaved buttercup (Ranunculus abortivus)

large-flowered trillium (Trillium grandiflorum)

Lindley’s aster (Symphyotrichum ciliolatum)

meadow horsetail (Equisetum pratense)

mountain maple (Acer spicatum)

narrow-leaved hawkweed (Hieracium umbellatum)

nodding trillium (Trillium cernuum)

northern bedstraw (Galium boreale)

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

northern red oak (Quercus rubra)

northern starflower (Lysimachia borealis)

northern white cedar (Thuja occidentalis)

one-flowered wintergreen (Moneses uniflora)

orange hawkweed (Pilosella aurantiaca)

ostrich fern (Matteuccia struthiopteris var. pensylvanica)

oxeye daisy (Leucanthemum vulgare)

pagoda dogwood (Cornus alternifolia)

paper birch (Betula papyrifera var. papyrifera)

Philadelphia fleabane (Erigeron philadelphicus var. philadelphicus)

pineapple-weed (Matricaria discoidea)

prairie peppergrass (Lepidium densiflorum)

prairie rose (Rosa arkansana)

prickly tree clubmoss (Dendrolycopodium dendroideum)

purple meadow-rue (Thalictrum dasycarpum)

quaking aspen (Populus tremuloides)

rabbit’s foot clover (Trifolium arvense)

red baneberry (Actaea rubra ssp. rubra)

red clover (Trifolium pratense)

scouring rush horsetail (Equisetum hyemale ssp. affine)

sensitive fern (Onoclea sensibilis)

sessile-leaf bellwort (Uvularia sessilifolia)

shinleaf (Pyrola elliptica)

smooth brome (Bromus inermis)

speckled alder (Alnus incana ssp. rugosa)

spotted touch-me-not (Impatiens capensis)

spreading dogbane (Apocynum androsaemifolium)

sugar maple (Acer saccharum ssp. saccharum)

sulphur cinquefoil (Potentilla recta)

tall buttercup (Ranunculus acris var. acris)

tall thimbleweed (Anemone virginiana)

thimbleberry (Rubus parviflorus)

timothy (Phleum pratense ssp. pratense)

veiny pea (Lathyrus venosus var. intonsus)

violets (Viola section Chamaemelanium subsection Nudicaules)

western bracken fern (Pteridium aquilinum var. latiusculum)

white avens (Geum canadense)

white clover (Trifolium repens ssp. repens)

white rattlesnake root (Nabalus albus)

white spruce (Picea glauca)

wild blue phlox (Phlox divaricata ssp. laphamii)

wild sarsaparilla (Aralia nudicaulis)

wild strawberry (Fragaria virginiana)

yellow birch (Betula alleghaniensis)

yellow sweet clover (Melilotus officinalis)


Acer saccharum ssp. saccharum (sugar maple)

Acer spicatum (mountain maple)

Achillea millefolium (common yarrow)

Actaea rubra ssp. rubra (red baneberry)

Alnus incana ssp. rugosa (speckled alder)

Ambrosia artemisiifolia (common ragweed)

Anemone virginiana (tall thimbleweed)

Apocynum androsaemifolium (spreading dogbane)

Aralia nudicaulis (wild sarsaparilla)

Arisaema triphyllum (jack-in-the-pulpit)

Asarum canadense (Canadian wild ginger)

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

Betula alleghaniensis (yellow birch)

Betula papyrifera var. papyrifera (paper birch)

Bromus inermis (smooth brome)

Calystegia sepium (hedge bindweed)

Circaea canadensis (broadleaf enchanter’s nightshade)

Clintonia borealis (bluebead lily)

Cornus alternifolia (pagoda dogwood)

Cornus canadensis (bunchberry)

Corylus cornuta var. cornuta (beaked hazelnut)

Cryptotaenia canadensis (Canadian honewort)

Dendrolycopodium dendroideum (prickly tree clubmoss)

Equisetum hyemale ssp. affine (scouring rush horsetail)

Equisetum pratense (meadow horsetail)

Erigeron philadelphicus var. philadelphicus (Philadelphia fleabane)

Eurybia macrophylla (bigleaf aster)

Fragaria vesca ssp. americana (American woodland strawberry)

Fragaria virginiana (wild strawberry)

Galeopsis tetrahit (brittlestem hempnettle)

Galium boreale (northern bedstraw)

Galium triflorum (fragrant bedstraw)

Geum canadense (white avens)

Hieracium umbellatum (narrow-leaved hawkweed)

Impatiens capensis (spotted touch-me-not)

Lathyrus venosus var. intonsus) (veiny pea)

Lepidium densiflorum (prairie peppergrass)

Leucanthemum vulgare (oxeye daisy)

Lotus corniculatus var. corniculatus (bird’s-foot trefoil)

Lysimachia borealis (northern starflower)

Maianthemum canadense (Canada mayflower)

Matricaria discoidea (pineapple-weed)

Matteuccia struthiopteris var. pensylvanica (ostrich fern)

Medicago lupulina (black medick)

Melilotus officinalis (yellow sweet clover)

Moneses uniflora (one-flowered wintergreen)

Nabalus albus (white rattlesnake root)

Onoclea sensibilis (sensitive fern)

Claytosmunda claytoniana (interrupted fern)

Ostrya virginiana var. virginiana (American hophornbeam)

Phleum pratense ssp. pratense (timothy)

Phlox divaricata ssp. laphamii (wild blue phlox)

Picea glauca (white spruce)

Pilosella aurantiaca (orange hawkweed)

Pinus strobus (eastern white pine)

Plantago rugelii var. rugelii (black-seeded plantain)

Populus tremuloides (quaking aspen)

Potentilla recta (sulphur cinquefoil)

Prunella vulgaris (common selfheal)

Pteridium aquilinum var. latiusculum (western bracken fern)

Pyrola elliptica (shinleaf)

Quercus rubra (northern red oak)

Ranunculus abortivus (kidney-leaved buttercup)

Ranunculus acris var. acris (tall buttercup)

Ranunculus hispidus (bristly buttercup)

Rosa arkansana (prairie rose)

Rubus idaeus ssp. strigosus (American red raspberry)

Rubus parviflorus (thimbleberry)

Symphyotrichum ciliolatum (Lindley’s aster)

Tanacetum vulgare (common tansy)

Taraxacum officinale ssp. officinale (common dandelion)

Thalictrum dasycarpum (purple meadow-rue)

Thuja occidentalis (northern white cedar)

Tilia americana var. americana (American basswood)

Trifolium arvense (rabbit’s foot clover)

Trifolium aureum (golden clover)

Trifolium campestre ssp. campestre (field clover)

Trifolium hybridum (alsike clover)

Trifolium pratense (red clover)

Trifolium repens ssp. repens (white clover)

Trillium cernuum (nodding trillium)

Trillium grandiflorum (large-flowered trillium)

Tsuga canadensis (eastern hemlock)

Uvularia sessilifolia (sessile-leaf bellwort)

Vicia americana ssp. americana (American vetch)

Viola section Chamaemelanium subsection Nudicaules (violets)


alsike clover

American woodland strawberry

bird’s-foot trefoil

bluebead lily


Canada anemone

common tansy

common selfheal (ssp. vulgaris)

hedge bindweed

large-flowered trillium

northern bedstraw

northern starflower

orange hawkweed

oxeye daisy

prairie rose

purple meadow-rue

red baneberry

sulphur cinquefoil

spotted touch-me-not


white clover

yellow sweet clover







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