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Idaho Birding Trail LogoMale Sage GrouseMountain Bluebird
Southeast Region

Upper Portneuf River

Nearest Town: Lava Hot Springs
Site Size: 175 acres

Highlights: Raptors, Shorebirds, Songbirds, Waterbirds, Waterfowl

Access: Year-round. Access free of charge.

Site Location

Directions: 0.5 mi E of Lava Hot Springs Resort on US 30, at "Sportsman’s Access" sign (follow signs), L (N) onto Blaser Hwy; see map below for 3 access areas along river and 1 access area at Chesterfield Reservoir.

Description: Hundreds of American Coot and Mallard can be seen at Chesterfield Reservoir during fall migration. When water levels drop, the eastern portions contain abundant waterfowl.

More Information:
IDFG (208) 233-4703
Soda Springs Chamber of Commerce, (208)547-4964

Common Goldeneye
Photo Copyright Michael Woodruff
Photo Copyright Tom Munson
Northern Pintail
Photo Copyright Tom Munson

General Services:
ParkingRestroomsNo PhoneNo BoardwalkCampgroundNo Picnic AreaNo Observation AreaNo Visitor CenterNo Interpretive Material AvailableBoat RampNo ConcessionsHiking TrailsHuntingFishingWater SportsOHV/ATVs AllowedNo Horseback Riding

Handicapped Services:
ParkingRestroomsNo PhoneNo BoardwalkNo CampgroundNo Picnic AreaNo Observation AreaNo Visitor CenterNo Interpretive MaterialsNo Boat RampNo ConcessionsNo Hiking Trails
What do these icons mean?

marshes/lakes/ponds Graph illustrating 20% 20%
other Graph illustrating 25% 25%
riverine riparian Graph illustrating 55% 55%

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

    Geese, Swans and DucksRails and Coots


    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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