Seven Sisters Peaks is a multi-summit

massif In geology, a massif ( or ) is a section of a planet's crust that is demarcated by faults or flexures. In the movement of the crust, a massif tends to retain its internal structure while being displaced as a whole. The term also refers to a ...

located in the

Bulkley Ranges The Bulkley Ranges is mountain range in northern British Columbia, Canada, located between the Skeena River, Skeena and Bulkley Rivers south of Hazelton, British Columbia, Hazelton, north of the Morice River and Zymoetz River. It has an area of 78 ...

of the

Interior Mountains The Interior Mountains or Northern Interior Mountains are the semi-official names for an expansive collection of mountain ranges that comprises much of the northern half of the Canadian province of British Columbia and a large area of southern Yu ...

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

. The massif is situated within Seven Sisters Provincial Park and Protected Area, southeast of Cedarvale, south of

Orion Peak Orion Peak is a mountain summit located in the Bulkley Ranges of the Interior Mountains in northern British Columbia, Canada. Location The peak is situated within Seven Sisters Provincial Park and Protected Area, southeast of Cedarvale, ...

, and surrounded by Seven Sisters Glacier. The highest peak of the seven is called Weeskinisht Peak. Precipitation

runoff Runoff, run-off or RUNOFF may refer to: * RUNOFF, the first computer text-formatting program * Runoff or run-off, another name for bleed, printing that lies beyond the edges to which a printed sheet is trimmed * Runoff or run-off, a stock market ...

from the mountain and

meltwater Meltwater is water released by the melting of snow or ice, including glacial ice, tabular icebergs and ice shelves over oceans. Meltwater is often found in the ablation zone of glaciers, where the rate of snow cover is reducing. Meltwater can be ...

from the glacier drains into tributaries of the

Skeena River The Skeena River is the second-longest river entirely within British Columbia, Canada (after the Fraser River). Since ancient times, the Skeena has been an important transportation artery, particularly for the Tsimshian and the Gitxsan—whose n ...

. The nearest higher peak is

Howson Peak Howson Peak is a mountain in west central British Columbia, Canada, located southwest of Telkwa Telkwa is a village located along British Columbia Highway 16, nearly southeast of the town of Smithers and west of the city of Prince George, ...

, to the south-southeast.

Climate

Based on the

Köppen climate classification The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ...

, Seven Sisters Peaks is located in a

subarctic climate The subarctic climate (also called subpolar climate, or boreal climate) is a climate with long, cold (often very cold) winters, and short, warm to cool summers. It is found on large landmasses, often away from the moderating effects of an ocean, ge ...

zone with cold, snowy winters, and mild summers. Winter temperatures can drop below −20 °C with wind chill factors below −30 °C.

Etymology

Seven Sisters Mountain was the name adopted in 1948, but the mountain's toponym was changed and officially adopted October 4, 1951, by the

Geographical Names Board of Canada The Geographical Names Board of Canada (GNBC) is a national committee with a secretariat in Natural Resources Canada, part of the Government of Canada, which authorizes the names used and name changes on official federal government maps of Canada ...

. The individually named peaks of the massif from west to east are Tlooki Peak, Weeskinisht Peak, Tagai Peak, Tingi Peak, Kitshin Peak, Kletoosho Peak, and Tuatoosho Peak, which are the

Tsimshian The Tsimshian (; tsi, Ts’msyan or Tsm'syen) are an Indigenous peoples of the Pacific Northwest Coast, Indigenous people of the Pacific Northwest Coast. Their communities are mostly in coastal British Columbia in Terrace, British Columbia, Terr ...

Gitxsan Gitxsan (also spelled Gitksan) are an Indigenous people in Canada whose home territory comprises most of the area known as the Skeena Country in English (: means "people of" and : means "the River of Mist"). Gitksan territory encompasses approxim ...

words for One, "Top of the Mountain", Three, Four, Five, Six, and Seven, respectively. With the exception of Weeskinisht, the other names were submitted by Neal M. Carter of the

Alpine Club of Canada The Alpine Club of Canada (ACC) is an amateur athletic association with its national office in Canmore, Alberta that has been a focal point for Canadian mountaineering since its founding in 1906. The club was co-founded by Arthur Oliver Wheeler, ...

and officially adopted in 1977.

Summits of Seven Sisters Peaks

Gallery

File:The Seven Sisters in the Seven Sisters Provincial Park & Protected Area of British Columbia (35788236396)(1).jpg, Seven Sisters Peaks seen with Orion Peak (furthermost right), and Skeena River File:View of Seven Sister Peaks in BC Canada.jpg, Left to right: Tuatoosho, Kletoosho, Kitshin, Tingi, Tagai, Weeskinisht, Tlooki. File:The peaks of The Seven Sisters , British Columbia.jpg, The peaks as seen from the Yellowhead Highway and Skeena River File:Tingi and Tagai peaks.jpg, Tingi Peak (left) and Tagai Peak (right) File:Tlooki Peak, Weeskinisht Peak, Tagai Peak.jpg, Tlooki Peak (left), Weeskinisht Peak, and Tagai Peak (right) seen from south. File:Weeskinisht and Orion peaks.jpg, Weeskinisht Peak (left),

(right).

References

{{reflist

Climate

Etymology

Summits of Seven Sisters Peaks

See also

Gallery

References

External links