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Idaho Birding Trail LogoMale Sage GrouseMountain Bluebird
Southeast Region

Big Canyon to Knox Canyon Subloop

Nearest Town: American Falls
Site Size: 20 mile route

Highlights: Raptors, Shorebirds, Songbirds, Upland Birds, Waterbirds, Waterfowl

Access: Snow may limit vehicle access. Access free of charge.

Site Location

Directions: I-86 Exit #36 to Rockland; follow ID 37 S for 7 mi; at mp 48.6, zero odometer and turn L (E) on Big Canyon Rd (main rd accessible by passenger car, but don’t drive it until rd dries out); mi 7.0 rd heads up a side canyon on L (N) that can be hiked; mi 7.3 logging rd on R (S) continues up Big Canyon; stay on main rd; mi 9.1 parking area/logging rd on R (S) (hike to the ridge top); mi 9.2 stay L along ridge-top; mi 9.4 bear R; descend through Knox Canyon; mi 20 L (N) on Arbon Valley Hwy; go 4 mi into Pauline.

Description: In the surrounding farmlands, Mourning Dove, Horned Lark, Vesper, Brewer’s, and Lark Sparrows, Western Meadowlark, and Brewer’s Blackbird can be seen. In shrub areas, watch for Dusky Flycatcher, Juniper Titmouse, Blue-gray Gnatcatcher, Mountain Bluebird, Green-tailed Towhee, Virginia’s and MacGillivray’s Warblers, and Lazuli Bunting. In the forest, nesters include woodpeckers, Tree and Violet-green Swallows, Mountain Chickadee, Cedar Waxwing, Hermit and Swainson’s Thrushes, Orange-crowned and Yellow-rumped Warblers, Warbling and Cassin’s Vireos, Western Tanager, and Cassin’s Finch. Broad-tailed Hummingbird, Cordilleran Flycatcher, Ruby-crowned Kinglet, and Red Crossbill may be seen at higher elevations.

More Information:
BLM (208) 478-6341
American Falls Chamber of Commerce (208)226-7214

Cassin's Vireo
Photo Copyright Michael Woodruff
Lark Sparrow
Photo Copyright Keith Carlson
Violet-green Swallow
Photo Copyright Michael Woodruff

General Services:
ParkingNo RestroomsNo PhoneNo BoardwalkCampgroundNo Picnic AreaNo Observation AreaNo Visitor CenterNo Interpretive Material AvailableNo Boat RampNo ConcessionsNo Hiking TrailsHuntingFishingNo Water SportsOHV/ATVs AllowedHorseback Riding

Handicapped Services:
No ParkingNo RestroomsNo PhoneNo BoardwalkNo CampgroundNo Picnic AreaNo Observation AreaNo Visitor CenterNo Interpretive MaterialsNo Boat RampNo ConcessionsNo Hiking Trails
What do these icons mean?

high elevation mixed conifer Graph illustrating 30% 30%
low elevation mixed conifer Graph illustrating 25% 25%
other Graph illustrating 45% 45%

Best Observation Times
Bird Species Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec AM/PM
Raptors N N N Y Y Y Y Y Y N N N ALL
Shorebirds N N N N N N N N N N N N
Songbirds N N N Y Y Y Y Y Y N N N AM
Upland Birds N N N Y Y Y Y Y Y N N N ALL
Waterbirds N N N N N N N N N N N N
Waterfowl N N N N N N N N N N N N
Target Species for this Site

Select a species from the list to view other sites on the Idaho Birding Trail Sites this species may be observed.

    Blackbirds and alliesChickadees and TitmouseFinches and alliesHummingbirdsKinglets and GnatcatcherLarkPigeons and DovesSparrows and alliesSwallowsThrushesTyrant FlycatchersVireosWaxwingsWood WarblersWoodpeckers


    R - Resident 1 - Abundant, easily found s - Statewide
    M - Migrant 2 - Common, but sometimes difficult to find e - Southeast
    W - Winter 3 - Uncommon or local w - Southwest
    S - Summer 4 - Rare or very local c - Central
    5 - Casual, 3-10 accepted records p - Panhandle (North)
    6 - Accidental, 1-2 accepted records
    7 - Experimental
    (B) - Documented breeding evidence(End) - Threatened or Endangered
    (b) - Circumstantial breeding evidence(Int.) - Introduced species

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