Horseshoe Ridge

Umatilla National Forest · Oregon · 5,996 acres · RoadlessArea Rule (2001)
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Observed Species (34)

Species with confirmed research-grade observation records from iNaturalist community science data.

American Black Bear (5)
Ursus americanus
Bearberry (1)
Arctostaphylos uva-ursi
Bobcat (1)
Lynx rufus
Common Monkeyflower (1)
Erythranthe guttata
Common Raven (2)
Corvus corax
Common Yarrow (1)
Achillea millefolium
Coyote (5)
Canis latrans
Creeping Oregon-grape (1)
Berberis repens
Curly-cup Gumweed (1)
Grindelia squarrosa
Douglas' Blue-eyed-grass (1)
Olsynium douglasii
Dwarf Hesperochiron (1)
Hesperochiron pumilus
Elegant Mariposa Lily (3)
Calochortus elegans
Evergreen Blackberry (1)
Rubus laciniatus
Fairy Slipper (2)
Calypso bulbosa
Gophersnake (1)
Pituophis catenifer
Grand Fir (1)
Abies grandis
Gray Wolf (11)
Canis lupus
Great Horned Owl (1)
Bubo virginianus
Large-flower Clarkia (1)
Clarkia pulchella
Large-flowered Triteleia (1)
Triteleia grandiflora
Mountain Lady's-slipper (3)
Cypripedium montanum
Narrow-petal Stonecrop (1)
Sedum stenopetalum
Nettle-leaf Giant-hyssop (1)
Agastache urticifolia
Northern Mule's-ears (1)
Wyethia amplexicaulis
Oregon Bitterroot (1)
Lewisia rediviva
Pacific Treefrog (1)
Pseudacris regilla
Prairie-smoke (1)
Geum triflorum
Red Crossbill (1)
Loxia curvirostra
Small-flower Blue-eyed Mary (1)
Collinsia parviflora
Small-flower Woodland-star (1)
Lithophragma parviflorum
Streambank Globemallow (1)
Iliamna rivularis
Wapiti (2)
Cervus canadensis
Western Fence Lizard (1)
Sceloporus occidentalis
Western Rattlesnake (1)
Crotalus oreganus
Federally Listed Species (4)

Species identified by the U.S. Fish and Wildlife Service as potentially occurring within this area based on range and habitat data. These designations do not indicate confirmed presence — they identify habitat where agency actions may require consultation under the Endangered Species Act.

Bull Trout
Salvelinus confluentus
Monarch
Danaus plexippusProposed Threatened
North American Wolverine
Gulo gulo luscus
Suckley's Cuckoo Bumble Bee
Bombus suckleyiProposed Endangered
Other Species of Concern (3)

Species identified by the U.S. Fish and Wildlife Service as potentially occurring based on range and habitat data.

Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Williamson's Sapsucker
Sphyrapicus thyroideus nataliae
Migratory Birds of Conservation Concern (3)

Birds of conservation concern identified by the U.S. Fish and Wildlife Service as potentially occurring based on range data. These species may warrant additional consideration under the Migratory Bird Treaty Act.

Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Williamson's Sapsucker
Sphyrapicus thyroideus
Vegetation (11)

Composition from LANDFIRE 2024 EVT spatial analysis. Ecosystems classified per NatureServe Terrestrial Ecological Systems.

Southern Rockies Mixed Conifer Forest
Tree / Conifer · 883 ha
GNR36.4%
Southern Rockies Mixed Conifer Forest
Tree / Conifer · 462 ha
GNR19.1%
Northern Rockies Foothill Shrubland
Shrub / Shrubland · 373 ha
GNR15.4%
GNR7.7%
Columbia Basin Canyon Grassland
Herb / Grassland · 146 ha
GNR6.0%
GNR4.8%
Great Basin Big Sagebrush Steppe
Shrub / Shrubland · 70 ha
GNR2.9%
Intermountain Mountain Mahogany Woodland
Shrub / Shrubland · 32 ha
GNR1.3%
Columbia Plateau Steppe and Grassland
Herb / Grassland · 25 ha
G21.0%
Great Basin Big Sagebrush Shrubland
Shrub / Shrubland · 13 ha
G30.5%

Horseshoe Ridge

Horseshoe Ridge Roadless Area

Umatilla National Forest, Oregon · 5,996 acres