Tatlayoko Lake
| Tatlayoko Lake | |
|---|---|
 |
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| Location | Chilcotin District, British Columbia |
| Coordinates | 51°33′N 124°24′W / 51.550°N 124.400°WCoordinates: 51°33′N 124°24′W / 51.550°N 124.400°W |
| Primary inflows | Homathko River |
| Primary outflows | Homathko River |
| Basin countries | Canada |
| Surface area | 9,880.8 acres (39.986 km2) |
| Average depth | 349.2 ft (106.4 m) |
| Max. depth | 688 ft (210 m) |
| Water volume | 4.26 cubic kilometres (1.02 cu mi) |
| Residence time | 17.9 years |
| Shore length1 | 175,050 ft (53,360 m) |
| Surface elevation | 2,714 ft (827 m) |
| Settlements | Tatlayoko Lake |
| 1 Shore length is not a well-defined measure. | |
Tatlayoko Lake is a lake on the Homathko River in the western Chilcotin District of the Central Interior of British Columbia, Canada, located on a north-south axis just upstream of the entrance of the series of canyons of the Homathko, including the Great Canyon of the Homathko, on its route to the sea at the head of Bute Inlet. The community of Tatlayoko Lake, British Columbia is located at its northern end.
Tatlayoko Lake is part of the land claim of the Tsilhqot'in People of Xeni (aka Xeni Gwet'in First Nation or the Nemaia Valley Indian Band) and is called by them Talhiqox Biny ("biny"-"lake"). One of their number, Klattasine or Klatsassan, led a party of warriors to attack a crew building a gold-rush era route known as Waddington's Road in the Homathko's canyons, which was the opening round of the Chilcotin War of 1864. Relief troops, including the governor of the colony's own party and escort, came to the Chilcotin via Tatlayoko Lake.
Tatlayoko Lake and the Homathko River are components in a proposed diversion project involving Chilko Lake, across the mountains on the east side of the lake. Run-of-the-river hydroelectric licenses have been let for the Homathko downstream from the lake.
The first comprehensive map of British Columbia was produced under the authority of Joseph Trutch, and was published in 1871. This map gives the name as Ta tlah co Lake, which is similar to the Tsilhqot'in name Telhiqox. A few years later, George Dawson surveyed the geology of the area, and his 1878 report to the Geological Survey of Canada used the spelling Tatlayoco. Maps of British Columbia published in the 1880s and 1890s continued to use minor variations of Tatlahco Lake, while many geological publications used Dawson's spelling of Tatlayoco.
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