| Twin Sisters Mountain | |
|---|---|
 As seen from southern flank of Mount Baker | |
| Highest point | |
| Elevation | 7,000+ feet (2,130+ m)[1] |
| Prominence | 3,520 ft (1,070 m)[1] |
| Coordinates | 48°42′16″N 121°59′15″W / 48.7045599°N 121.9873731°W[2] |
| Geography | |
 | |
| Location | Whatcom County, Washington, U.S. |
| Parent range | Cascade Range |
| Topo map | USGS Twin Sisters Mountain |
| Geology | |
| Mountain type | Igneous dunite |
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Twin Sisters Mountain (Nooksack: Kwetl’kwítl’ Smánit, "red mountain"),[3] commonly called the Twin Sisters, is a mountain in the U.S. state of Washington. Part of the Cascade Range, it lies just southwest of Mount Baker. Of its two main peaks, South Twin is higher, with a summit elevation above 7,004 feet (2,135 m).[a][1] The summit of North Twin is above 6,644 feet (2,025 m).[b][4] There are several glaciers on the northeast slopes of Twin Sisters Mountain.
- ^ a b c "South Twin, Washington". Peakbagger.com.
- ^ "South Twin". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Cultural Resources Department". NookSack Indian Tribe. Retrieved 2013-09-16.
- ^ "North Twin, Washington". Peakbagger.com.
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