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Grebe Lake
As seen from Observation Peak, 1964
Grebe LakeShow map of WyomingGrebe LakeShow map of the United States
Location	Yellowstone National Park, Park County, Wyoming, US
Coordinates	44°45′03″N 110°33′31″W / 44.75083°N 110.55861°W / 44.75083; -110.55861 (Grebe Lake)
Primary outflows	Gibbon River
Basin countries	United States
Max. length	.75 miles (1.21 km)
Max. width	.75 miles (1.21 km)
Surface area	156 acres (0.63 km)
Surface elevation	8,023 feet (2,445 m)

Grebe Lake is a 156 acres (0.63 km) backcountry lake in Yellowstone National Park most noted for its population of Arctic grayling. Grebe Lake comprises the headwaters of the Gibbon River. Grebe Lake is located approximately 3.1 miles (5.0 km) north of the Norris-Canyon section of the Grand Loop Road. The trail to the lake passes through mostly level Lodgepole Pine forest and open meadows. The lake was named by J.P. Iddings, a geologist with the Arnold Hague geologic surveys. There are four backcountry campsites located on the lake.

Arctic grayling

In 1921, U.S. Fish Commission personnel stocked Grebe Lake, at that time fishless, with the Montana strain Thymallus arcticus montanus of a lacustrine form of Arctic Grayling. The original stocks came from Georgetown Lake near Anaconda, Montana. The fluvial form of Arctic Grayling was native to the Madison and Gibbon Rivers below Gibbon Falls. In an effort to re-establish grayling in western states, over 72 million grayling eggs were harvested from Grebe Lake between 1931 and 1956 and distributed to hatcheries. Most lake dwelling grayling in the west today can be genetically traced to the Grebe Lake stocks. Grebe Lake was closed to fishing until 1944 because of the fish culture operations at the lake. Wolf Lake 2 miles (3.2 km) west and Cascade Lake 3 miles (4.8 km) east also contain grayling.

Angling

Grebe Lake used to hold both lacustrine arctic grayling and rainbow trout. In 2017, the NPS embarked on a three-year fish restoration project in the upper Gibbon river watershed to remove all non-native trout and grayling. Grebe lake and its tributaries were poisoned with rotenone in the summer of 2017 to remove the grayling and rainbow trout. Westslope cutthroat trout and fluvial arctic grayling were planted in the lake. Both are native to the Gibbon watershed below Gibbon Falls but not indigenous to the upper Gibbon watershed. The NPS hopes to establish a refuge for these species in the upper Gibbon watershed.

The lake is a popular summer angling destination for park visitors. Although the lake can be fished from shore, many anglers carry in float tubes to access the deeper portions of the lake. Using a float tube on Yellowstone lakes requires a park service boating permit. The lake is open to angling during the entire Yellowstone season (end of May to early November) but generally cannot be easily accessed until mid June because of snow on the trail. The trailhead to Grebe Lake is approximately 4 miles (6.4 km) west of Canyon on the Norris to Canyon road 44°43′3″N 110°32′58″W / 44.71750°N 110.54944°W / 44.71750; -110.54944 (Grebe Lake Trailhead).

• Trail approach to Grebe Lake, 2009
• Grebe Lake trail, Summer 2009

See also

• Angling in Yellowstone National Park
• Fishes of Yellowstone National Park

Notes

1. ^ "Grebe Lake". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
2. Whittlesey, Lee (1988). Yellowstone Place Names. Helena, MT: Montana Historical Society Press. p. 67. ISBN 0-917298-15-2.
3. "Yellowstone Backcountry Trip Planner" (PDF). National Park Service. 2009. Retrieved 2009-12-15.
4. Franke, Mary Ann (Fall 1996). "A Grand Experiment-100 Years of Fisheries Management in Yellowstone: Part I". Yellowstone Science. 4 (4). Yellowstone Center for Resources, National Park Service.
5. Schullery, Paul; Varley, John D. (1998). Yellowstone Fishes—Ecology, History, and Angling in the Park. Mechanicsburg, PA: Stackpole Books. ISBN 0-8117-2777-7.
6. "A Day in the Field, Collaboration is Key to Upper Gibbon Fishery Restoration". NPS.gov. February 2022.
7. Parks, Richard (1998). Fishing Yellowstone National Park. Helena, MT: Falcon Press. ISBN 1-56044-625-0.
8. Mathews, Craig; Molinero, Clayton (1997). The Yellowstone Fly-Fishing Guide—An authoritative guide to the waters of Yellowstone National Park. Guilford, CT: The Lyons Press. ISBN 1-55821-545-X.
9. Yellowstone National Park Boating Regulations

v t e Yellowstone National Park - Norris and Madison
Geothermal features, historic structures and other attractions in the Norris and Madison Junction areas
Norris Geyser Basin	Big Alcove Spring Echinus Geyser Emerald Spring Steamboat Geyser
Gibbon Geyser Basin	Beryl Spring
Structures and history	Grand Loop Road Historic District Norris Geyser Basin Museum Norris, Madison, and Fishing Bridge Museums Philetus Norris
Geography and geology	Echo Peak Gibbon Falls Gibbon River Grebe Lake Firehole Falls Firehole River Madison River Mount Haynes Mount Holmes Mount Jackson National Park Mountain Purple Mountain Obsidian Cliff Virginia Cascades West Yellowstone, Montana
List of Yellowstone National Park related articles Media related to Norris Geyser Basin at Wikimedia Commons

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