Hemlock Ravine SNA

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Area and County

Carlton County





51 acres

Printable map

Detail map (MN DNR)

Printable Map with GPS coordinates


N46 40.005, W92 21.222

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


Laurentian Mixed Forest Province

Ecological Classification


Northern Superior Uplands


North Shore Highlands

Land Type Association(s)

Highland Moraine

Native Plant Communities1

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

Sugar Maple - Basswood - (Bluebead Lily) Forest

White Pine - White Spruce - Paper Birch Forest

Ownership Minnesota DNR logo        

Minnesota DNR


The sanctuary portion of this site is closed to protect rare and sensitive resources. It splits the site in half. Parking is on the south section. The north section can be accesed from the Willard Munger State Trail.

This sna was designated 8/23/1982.







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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 Observations

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Laurie Grimm


wood frog (Rana sylvatica)

wood frog


eastern hemlock (Tsuga canadensis)

eastern hemlock



MinnesotaSeasons.com Observations



wood frog (Rana sylvatica)

wood frog


One tracked bird species has been seen here:



Bald Eagle (Haliaeetus leucocephalus)


Minnesota DNR Bird checklist


American Crow (Corvus brachyrhynchos)

Black-capped Chickadee (Poecile atricapillus)

Common Yellowthroat (Geothlypis trichas)

Ovenbird (Seiurus aurocapillus)

Red-eyed Vireo (Vireo olivaceus)

Sedge Wren (Cistothorus platensis)

Black-capped Chickadee

Fungi and Lichens

Fairy Fingers (Clavaria fragilis)

True Tinder Polypore (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 ant (Formica sp.)

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 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 red raspberry (Rubus idaeus ssp. strigosus)

American starflower (Lysimachia borealis)

American vetch (Vicia americana ssp. americana)

beaked hazel (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 lutetiana ssp. canadensis)

bunchberry (Cornus canadensis)

Canada mayflower (Maianthemum canadense)

Canadian honewort (Cryptotaenia canadensis)

common dandelion (Taraxacum officinale ssp. officinale)

common ragweed (Ambrosia artemisiifolia)

common strawberry (Fragaria virginiana)

common tansy (Tanacetum vulgare)

common yarrow (Achillea millefolium)

eastern hemlock (Tsuga canadensis)

eastern white pine (Pinus strobus)

elliptic shin-leaf (Pyrola elliptica)

field clover (Trifolium campestre)

fragrant bedstraw (Galium triflorum)

golden clover (Trifolium aureum)

heal-all (Prunella vulgaris)

hedge bindweed (Calystegia sepium)

interrupted fern (Osmunda claytoniana)

ironwood (Ostrya virginiana var. virginiana)

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 ssp. angustum)

northern red oak (Quercus rubra)

northern white cedar (Thuja occidentalis)

one-flowered pyrola (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 var. densiflorum)

prairie rose (Rosa arkansana)

quaking aspen (Populus tremuloides)

rabbit’s foot clover (Trifolium arvense)

red baneberry (Actaea rubra ssp. rubra)

red clover (Trifolium pratense)

rough-fruited cinquefoil (Potentilla recta)

scouring rush horsetail (Equisetum hyemale var. affine)

sensitive fern (Onoclea sensibilis)

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)

tall buttercup (Ranunculus acris)

tall meadow rue (Thalictrum dasycarpum)

tall thimbleweed (Anemone virginiana)

thimbleberry (Rubus parviflorus)

timothy (Phleum pratense)

tree groundpine (Lycopodium dendroideum)

veiny pea (Lathyrus venosus)

western bracken fern (Pteridium aquilinum var. latiusculum)

white avens (Geum canadense)

white clover (Trifolium repens)

white rattlesnake root (Nabalus albus)

white spruce (Picea glauca)

wild blue phlox (Phlox divaricata ssp. laphamii)

wild ginger (Asarum canadense)

wild oats (Uvularia sessilifolia)

wild sarsaparilla (Aralia nudicaulis)

woodland strawberry (Fragaria vesca ssp. americana)

yellow birch (Betula alleghaniensis var. alleghaniensis)

yellow sweet clover (Melilotus officinalis)

yellow violet (Viola pubescens)


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 (wild ginger)

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

Betula alleghaniensis var. alleghaniensis (yellow birch)

Betula papyrifera var. papyrifera (paper birch)

Bromus inermis (smooth brome)

Calystegia sepium (hedge bindweed)

Circaea lutetiana ssp. canadensis (broadleaf enchanter’s nightshade)

Clintonia borealis (bluebead lily)

Cornus alternifolia (pagoda dogwood)

Cornus canadensis (bunchberry)

Corylus cornuta var. cornuta (beaked hazel)

Cryptotaenia canadensis (Canadian honewort)

Equisetum hyemale var. affine (scouring rush horsetail)

Equisetum pratense (meadow horsetail)

Erigeron philadelphicus var. philadelphicus (Philadelphia fleabane)

Eurybia macrophylla (bigleaf aster)

Fragaria vesca ssp. americana (woodland strawberry)

Fragaria virginiana (common 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 (veiny pea)

Lepidium densiflorum var. densiflorum (prairie peppergrass)

Leucanthemum vulgare (oxeye daisy)

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

Lycopodium dendroideum (tree groundpine)

Lysimachia borealis (American 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 pyrola)

Nabalus albus (white rattlesnake root)

Onoclea sensibilis (sensitive fern)

Osmunda claytoniana (interrupted fern)

Ostrya virginiana var. virginiana (ironwood)

Phleum 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 (rough-fruited cinquefoil)

Prunella vulgaris (heal-all)

Pteridium aquilinum var. latiusculum (western bracken fern)

Pyrola elliptica (elliptic shin-leaf)

Quercus rubra (northern red oak)

Ranunculus abortivus (kidney-leaved buttercup)

Ranunculus 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 (tall 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 (field clover)

Trifolium hybridum (alsike clover)

Trifolium pratense (red clover)

Trifolium repens (white clover)

Trillium cernuum (nodding trillium)

Trillium grandiflorum (large-flowered trillium)

Tsuga canadensis (eastern hemlock)

Uvularia sessilifolia (wild oats)

Vicia americana ssp. americana (American vetch)

Viola pubescens (yellow violet)

alsike clover

American starflower

bird’s-foot trefoil

bluebead lily


Canada anemone

common tansy


hedge bindweed

large-flowered trillium

northern bedstraw

orange hawkweed

oxeye daisy

prairie rose

red baneberry

rough-fruited cinquefoil

spotted touch-me-not

tall meadow rue


white clover

woodland strawberry

yellow sweet clover

downy yellow violet




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