Yellowstone Lake

Lake Yellowstone
Yellowstone Lake is the largest body of water in Yellowstone National Park.wikipedia
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Yellowstone National Park

YellowstoneYellowstone ParkYellowstone territory
Yellowstone Lake is the largest body of water in Yellowstone National Park.
Yellowstone Lake is one of the largest high-elevation lakes in North America and is centered over the Yellowstone Caldera, the largest supervolcano on the continent.

Hayden Valley

19th-continued down the shore to the outlet about twenty miles, and encamped in a beautiful plain { Hayden Valley } which extended along the northern extremity of the lake.
Hayden Valley is a large, sub-alpine valley in Yellowstone National Park straddling the Yellowstone River between Yellowstone Falls and Yellowstone Lake.

John Colter

ColterColter StoneCoulter, John
The first human of European descent to see the lake was trapper John Colter in the early 19th century.
After heading north and then east, he is believed to have encountered Yellowstone Lake, another location in which he may have seen geysers and other geothermal features.

Cook–Folsom–Peterson Expedition

Cook-Folsom-Peterson ExpeditionCook–Folsom–PetersonCook–Folsom–Peterson Expedition of 1869
Although many prospecting parties traversed the Yellowstone region throughout the 1850-60s, the first detailed descriptions of the lake came in 1869, 1870 and 1871 as a result of the Cook–Folsom–Peterson Expedition, the Washburn-Langford-Doane Expedition and the Hayden Geological Survey of 1871.
The party continued south along the course of the Yellowstone River crossing the river twice until they reached the north shore of Yellowstone Lake near the mouth of Pelican Creek 44.55333°N, -110.36028°W.

Hayden Geological Survey of 1871

geological survey1871 Geological Survey1871 survey
Although many prospecting parties traversed the Yellowstone region throughout the 1850-60s, the first detailed descriptions of the lake came in 1869, 1870 and 1871 as a result of the Cook–Folsom–Peterson Expedition, the Washburn-Langford-Doane Expedition and the Hayden Geological Survey of 1871.
The survey team spent three days traveling around Mount Washburn and along the western edge of the Yellowstone River in Hayden Valley to reach its source at Yellowstone Lake on July 28, 1871.

Washburn–Langford–Doane Expedition

Washburn-Langford-Doane ExpeditionHenry D. WashburnWashburn Expedition
Although many prospecting parties traversed the Yellowstone region throughout the 1850-60s, the first detailed descriptions of the lake came in 1869, 1870 and 1871 as a result of the Cook–Folsom–Peterson Expedition, the Washburn-Langford-Doane Expedition and the Hayden Geological Survey of 1871.

Yellowstone River

Yellowstone2015 Yellowstone River oil spillupper Yellowstone River
The lake currently drains north from its only outlet, the Yellowstone River, at Fishing Bridge.
The area contains many lakes, including Yellowstone Lake.

Yellowstone Falls

lower fallsLower Falls of the Yellowstone RiverLower Yellowstone Falls
Within a short distance downstream the Yellowstone River plunges first over the upper and then the lower falls and races north through the Grand Canyon of the Yellowstone.
As the Yellowstone river flows north from Yellowstone Lake, it leaves the Hayden Valley and plunges first over Upper Yellowstone Falls and then a quarter mile (400 m) downstream over Lower Yellowstone Falls, at which point it then enters the Grand Canyon of the Yellowstone, which is up to 1,000 feet (304 m) deep.

Geothermal areas of Yellowstone

Upper Geyser BasinLower Geyser BasinNorris Geyser Basin
In the southwest area of the lake, the West Thumb geothermal area is easily accessible to visitors.
The Monument Geyser Basin 44.68417°N, -110.75389°W has no active geysers, but its 'monuments' are siliceous sinter deposits similar to the siliceous spires discovered on the floor of Yellowstone Lake.

Yellowstone Caldera

YellowstonecalderaYellowstone supervolcano
After the magma chamber under the Yellowstone area collapsed 640,000 years ago in its previous great eruption, it formed a large caldera that was later partially filled by subsequent lava flows (see Yellowstone Caldera).
Smaller steam explosions occur as well: an explosion 13,800 years ago left a 5 km diameter crater at Mary Bay on the edge of Yellowstone Lake (located in the center of the caldera).

Yellowstone cutthroat trout

Yellowstone cutthroatYellowstone trout
Angling for Yellowstone cutthroat trout in Yellowstone Lake has been a popular pastime for both subsistence and recreation since the first explorers, surveyors and tourists visited the park.
Native only to a few U.S. states, their original range was upstream of Shoshone Falls on the Snake River and tributaries in Wyoming, also across the Continental Divide in Yellowstone Lake and in the Yellowstone River as well as its tributaries downstream to the Tongue River in Montana.

Lewis Lake (Wyoming)

Lewis LakeLewis
In 1994, non-native Lake trout were discovered in Yellowstone Lake and were believed to have been either accidentally or intentionally introduced as early as 1989 with fish taken from Lewis Lake.
Lewis Lake is located in the U. S. state of Wyoming in the southern part of Yellowstone National Park, about 4 mi southeast of Shoshone Lake, and approximately 10 mi southwest of Yellowstone Lake.

Teton County, Wyoming

Teton CountyTetonWyoming
Teton County contains the Jackson Hole ski area, all of Grand Teton National Park, and 40.4% of Yellowstone National Park's total area, including over 96.6% of its water area (largely in Yellowstone Lake).

Lake trout

lakeSalvelinus namaycushtogue
Today only native cutthroat and non-native Lake trout exist in the lake.
Although lake trout were introduced into Yellowstone National Park's Shoshone, Lewis and Heart lakes legally in the 1890s, they were illegally or accidentally introduced into Yellowstone Lake in the 1980s where they are now considered invasive.

Grand Canyon of the Yellowstone

Yellowstone CanyonCanyonGrand Canyon
Within a short distance downstream the Yellowstone River plunges first over the upper and then the lower falls and races north through the Grand Canyon of the Yellowstone.
According to Ken Pierce, U.S. Geological Survey geologist, at the end of the last glacial period, about 14,000 to 18,000 years ago, ice dams formed at the mouth of Yellowstone Lake.

Wyoming

WYState of WyomingWyoming, USA
Wyoming has 32 named islands, the majority of which are in Jackson Lake and Yellowstone Lake within Yellowstone National Park in the northwest portion of the state.

List of fishes of Yellowstone National Park

Fishes of Yellowstone National Park
The Longnose dace (Rhinichthys cataractae) is widely distributed in all the major river systems in the park, to include Yellowstone Lake and its tributaries.

North America

NorthNorth AmericanNA
Yellowstone Lake is the largest freshwater lake above 7000 ft in North America.

Osborne Russell

Russell, OsborneOsbourne Russell
In trapper Osborne Russell's diary, he describes a visit to the lake in 1836 as follows:

David Thompson (explorer)

David ThompsonExplorer David ThompsonThompson
Both fur trader David Thompson and explorer William Clark referred to the lake as Yellow Stone.

William Clark

ClarkCaptain William ClarkWilliam Clark (explorer)
Both fur trader David Thompson and explorer William Clark referred to the lake as Yellow Stone.

William Eustis

Eustis
On some William Clark maps, the lake has the name Eustis Lake and the name Sublette's Lake was also used to name the lake in the early 19th century.

William Sublette

WilliamWilliam Lewis SubletteSublette
On some William Clark maps, the lake has the name Eustis Lake and the name Sublette's Lake was also used to name the lake in the early 19th century.

Oregon Territory

Territory of OregonOregonterritorial
The name Yellowstone Lake appears formally first in the 1839 maps of the Oregon Territory by U.S. Army topographical engineer, Captain Washington Hood and has remained so since that time.