| Feature Type: | Range (2) - Group or chain of mountains or hills. |
| Status: | Official |
| Name Authority: | BC Geographical Names Office |
| Relative Location: | NW of junction of Stikine and McBride Rivers, SE of Dease Lake (community), Cassiar Land District |
| Latitude-Longitude: | 58°06'59"N, 129°25'06"W at the approximate centre of this feature. |
| Datum: | WGS84 |
| NTS Map: | 104I/3 |
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Origin Notes and History:
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Adopted 17 January 1952 on 104I, as labelled on Geological Survey of Canada map 922A, Physiographic Subdivisions of the Canadian Cordillera. Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office |
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Note that "Three Sisters" is labelled on the EAST side of McBride River on BC map 1H, 1917; the text "Three Sisters Range" is positioned on the WEST side of McBride River on Geological Survey sheet 922A, Map of the Canadian Cordillera Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office |
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Bounded on the north and east by McBride River; bounded on the west by Moose Creek and lower channels of Beggerlay Creek. Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office |