Henrys Lake

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Henrys Lake
Us-id-fremont-henrys-lake-aerial.jpg
Aerial view
Courtesy of Idaho Tourism
Location Fremont County, Idaho,
United States
Coordinates 44°38′38″N 111°24′22″W / 44.644°N 111.406°W / 44.644; -111.406Coordinates: 44°38′38″N 111°24′22″W / 44.644°N 111.406°W / 44.644; -111.406
Primary outflows Henrys Fork
Basin countries United States
Max. length 4 mi
Max. width 2 mi
Surface area 8 sq mi (21 km2)
Average depth 2–9 ft (0.6–3 m)
Surface elevation 6,472 ft (1,973 m)

Henrys Lake is a small, shallow alpine lake, approximately 8 square miles (21 km2) in area, at 4 miles (6.4 km) in length and 2 miles (3.2 km) in width. It is located at 6,472 ft (1,973 m) above sea level in the mountains of southeastern Idaho in the United States. It is on the southwest side of the Henrys Lake Mountains of northern Fremont County, approximately 2 miles south the continental divide along the Montana state line, just west of Targhee Pass. It is 16 miles due west of the western boundary of Yellowstone National Park. The lake is located in Caribou-Targhee National Forest. Springs are found around the shoreline at Staley Springs, Pintail Point, Kelly Springs, the Cliffs, and along the northshore of the lake. Inlets are found at Timber Creek, Targhee Creek, Howard Creek, Duck Creek, Hope Creek, and Kenny Creek. The lake provides the headwaters of the Henrys Fork, a tributary of the Snake River. The lake lies less than 10 miles (16 km) across the continental divide from the headwaters of the Missouri River in southwestern Montana.

A dam built at the outlet of Henrys Lake in 1923 dramatically increased the surface area of the lake.[1]

Henrys Lake at Sunset (looking North)

DJI HenrysLakeSunset 150272.jpg

Recreation[edit]

The 'official' Continental Divide Trail skirts around Henry's Lake. Many north bound thru hikers opt out of this section when leaving Yellowstone National Park and entering the Centennial Mountain Range in Idaho.[2]

Henrys Lake is a popular destination for sport fishing. The most common species in the lake is Yellowstone cutthroat. They make up 55 percent of the trout population. The average size in 2015 was 15 inches but biologists found some fish over 20 inches. The second most prevalent species is rainbow-cutthroat hybrids, which make up 24 percent of the population. The average size is 19 inches, although Idaho Fish and Game found hybrids longer than 25 inches. Brook trout make up 21 percent of the population. The average length is 16 inches but biologists found several Brook trout that exceeded 20 inches in length. There is a fish hatchery on the north side of the lake that helps to replenish the lake.

DJI HopeCreek 150216SMPanorama.jpg


Henrys Lake is home to a variety of migrating birds. The western and eastern edges of the lake provide wetland/marsh habitats that serve as breeding areas for many birds in spring. Notable at Henrys Lake are White Pelicans, Widgeon, Lesser Scaup, Cormorants, Red-necked and western Grebes, coots, mallards, bufflehead, Ring-necked Ducks, Canada Geese, Blue-winged Teal, eared Grebe, Killdeer, common Merganser, common tern, Cinnamon Teal, Trumpeter Swans, Great Blue Heron, California Seagulls, Bald Eagles, Swainson's Hawks, Red-tailed Hawks, Red-winged Blackbirds, cowbirds and more.

White Pelican Flying Over Henrys Lake

WhitePelicanFlying 167133.jpg

References[edit]

  1. ^ "Henry's Fork Drought Management Plan" (PDF). p. 3. Retrieved 29 April 2015. 
  2. ^ Montana & Idaho's Continental Divide Trail: The Official Guide (The Continental Divide Trail Series) by Lynna Howard and Leland Howard (Jul 31, 2000)