| Peyto Lake | |
|---|---|
| Location | Banff National Park, Alberta, Canada |
| Coordinates | 51°43′37″N116°31′19″W / 51.72694°N 116.52194°W /51.72694; -116.52194 |
| Type | Glacial |
| Primary inflows | Peyto Creek |
| Primary outflows | Mistaya River |
| Basin countries | Canada |
| Max. length | 2.8 km (1.7 mi) |
| Max. width | 0.8 km (0.50 mi) |
| Surface area | 1.4 km2 (0.54 sq mi) |
| Surface elevation | 1,860 m (6,100 ft) |
Peyto Lake (/ˈpiːtoʊ/PEE-toh) is aglacier-fedlake inBanff National Park in theCanadian Rockies. The lake is near theIcefields Parkway. It was named forBill Peyto, an early trail guide and trapper in the Banff area.[1]
The lake is formed in a valley of theWaputik Range, betweenCaldron Peak,Peyto Peak andMount Jimmy Simpson, at an elevation of 1,860 m (6,100 ft).[2]
During the summer, significant amounts of glacialrock flour flow into the lake from a nearby glacier, and these suspended rock particles are what give the lake a bright, turquoise colour. Because of its bright colour, photos of the lake often[when?] appear in illustrated books,[example needed] and the area around the lake is a popular sightseeing spot. In 2021,Parks Canada completed improvements to the lake viewpoint, trails, and parking areas.[3] The lake is best seen from Bow Summit, the highest point on the Icefields Parkway.[4]
The lake is fed by Peyto Creek, which drains water from Caldron Lake andPeyto Glacier (part of theWapta Icefield). Peyto Lake is the origin of theMistaya River,[5] which heads northwest from the lake's outflow.

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