skip to the main content area of this page
Idaho Birding Trail LogoMale Sage GrouseMountain Bluebird
Southeast Region

Henrys Lake Subloop

Nearest Town: Macks Inn
Site Size: 6200 acres

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

Access: Open late May - October 31. Admission Fee

Site Location

Directions: From Macks Inn, on US 20 (mp 392.7), drive 5 mi N to bird meadows and sage flats; at mp 398.2 zero odometer and turn L (W) onto Red Rocks Rd (FR 053); at mi 5 turn R (N); go 1.1 mi to boat ramp and overlook; backtrack to FR 053; R (W) on FR 053 2.5 mi to T intersection; R (N) on FR 055 2.9 mi to Bill Frome County Park; bird bay on S side of park; backtrack to FR 055 and continue N; bird area east of Staley Springs; at ID 87 intersection, turn R (SE) and loop back to US 20; S on US 20 to mp 401 and entrance to Henrys Lake State Park; visit boat dock and trail behind campsite #32; backtrack to US 20 and continue S to mp 399; explore Meadow Creek Rd as it loops SE then connects with FR 059 and eventually back to US 20; S on US 20 to mp 394.3; R (W) on Sawtell Peak Rd (FR 024) to bird forest habitat.

Description: American Pipit, Red-necked and Western Grebes, Lesser Scaup, Red-breasted Merganser, and Franklin’s Gull are commonly seen during spring and summer. Red-tailed, Ferruginous, and Swainson’s Hawks can be seen in mid-Aug to mid-Sept along US 20. Areas surrounding the lake may contain Sandhill Crane, Long-billed Curlew, Great Gray Owl, and White-crowned Sparrow during spring and summer. In sagebrush flats, look for flocks of Horned Lark during April and May. In the whitebark pine forest above the lake, look for Clark’s Nutcracker, White-breasted Nuthatch, Cassin’s Finch, Red Crossbill, and Evening and Pine Grosbeaks. Listen for breeding Boreal Owl during breeding season.

More Information:
Henrys Lake SP (208) 558-7532
Island Park Chamber of Commerce 208)558-7755

Horned Lark
Photo Copyright Keith Carlson
Great Gray Owl
Photo Copyright Ryan Brady
Evening Grosbeak
Photo Copyright Tom Munson

General Services:
ParkingRestroomsPhoneNo BoardwalkCampgroundPicnic AreaNo Observation AreaNo Visitor CenterNo Interpretive Material AvailableBoat RampNo ConcessionsHiking TrailsNo HuntingFishingWater SportsNo OHV/ATVs AllowedNo Horseback Riding

Handicapped Services:
ParkingRestroomsPhoneNo BoardwalkCampgroundPicnic AreaNo Observation AreaNo Visitor CenterNo Interpretive MaterialsBoat RampNo ConcessionsHiking Trails
What do these icons mean?

high elevation mixed conifer Graph illustrating 35% 35%
marshes/lakes/ponds Graph illustrating 20% 20%
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 N N N N Y Y Y N N ALL
Shorebirds N N N Y Y N N Y Y N N N ALL
Songbirds N N N Y Y Y Y Y Y N N N AM
Upland Birds N N N N N N N N N N N N
Waterbirds N N N Y Y Y Y N N N N N ALL
Waterfowl N N N N Y Y N N N N N N ALL
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.

    Accentor and PipitBlackbirds and alliesCorvidsCranesFinches and alliesGeese, Swans and DucksGrebesHawks and EaglesJaegers and GullsLarkNuthatches and CreeperOwlsRails and CootsShorebirdsSparrows and alliesTyrant FlycatchersWood WarblersWrens and Dipper


    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

    New! Browse the Idaho Birding Trail in Google Maps or Google Earth