Lake Oesa is a body of water located at an elevation of in the mountains of

Yoho National Park Yoho National Park ( ) is a national park of Canada. It is located within the Rocky Mountains along the western slope of the Continental Divide of the Americas in southeastern British Columbia, bordered by Kootenay National Park to the south and ...

, near

Field, British Columbia Field is an unincorporated community of approximately 169 people located in the Kicking Horse River valley of southeastern British Columbia, Canada, within the confines of Yoho National Park. At an elevation of , it is west of Lake Louise along ...

, Canada, while a trail at the far end of the lake leads to Abbot Hut. The lake gets its name from a

Stoney language Stoney—also called Nakota, Nakoda, Isga, and formerly Alberta Assiniboine—is a member of the Dakota subgroup of the Mississippi Valley grouping of the Siouan languages. The Dakotan languages constitute a dialect continuum consisting of Santee ...

(Native American language) term for 'corner'. It can be reached via a climbing trail which starts at

Lake O'Hara Lake O'Hara is a lake at an elevation of in the alpine area of Yoho National Park, in the province of British Columbia, on the western side of the Great Divide with the province of Alberta and Banff National Park to the east. The lake and the v ...

and ascends approximately . An alpine trail along the Yukness Ledges connects Lake Oesa to nearby

Opabin Lake Opabin Lake is a body of water located at an elevation of in the mountains of Yoho National Park, near Field, British Columbia, Canada. Opabin Lake can be accessed by two climbing trails, the East Opabin trail and the West Opabin trail, which form ...

.Lake O'Hara to Lake Opabin via Lake Oesa and Yukness Ledges (trailpeak.com)
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References

Yoho National Park Oesa Canadian Rockies {{BritishColumbiaInterior-geo-stub