| Koshin River | |
|---|---|
  Mouth of Koshin River | |
| Location | |
| Country | Canada |
| Province | British Columbia |
| District | Cassiar Land District |
| Physical characteristics | |
| Source | Level Mountain |
| • location | Nahlin Plateau |
| • coordinates | 58°33′57″N 131°35′2″W / 58.56583°N 131.58389°W[2] |
| • elevation | 1,465 m (4,806 ft)[3] |
| Mouth | Nahlin River |
• coordinates | 58°52′27″N 131°48′6″W / 58.87417°N 131.80167°W[1] |
• elevation | 614 m (2,014 ft)[3] |
| Length | 58 km (36 mi)[4] |
| Basin size | 437 km2 (169 sq mi),[5] |
| Discharge | |
| • average | 4.89 m3/s (173 cu ft/s)[5] |
| Basin features | |
| Topo maps | NTS 104J12 Dudidontu River NTS 104J13 Prairie Lake |
The Koshin River is a tributary of the Nahlin River in northwest part of the province of British Columbia, Canada.[1] It flows generally north about 58 km (36 mi)[4] to join the Nahlin River, which forms the Inklin River, one of the main tributaries of the Taku River.[6] The Koshin River flows through the Nahlin Plateau. It joins the Nahlin River at the boundary between the Nahlin and Kawdy plateaus. Both plateaus are part of the larger Stikine Plateau region.[7]
The Koshin River's watershed covers 437 km2 (169 sq mi),[5] and its mean annual discharge is 4.89 m3/s (173 cu ft/s).[5] The mouth of the Koshin River is located about 165 km (103 mi) northeast of Juneau, Alaska and about 115 km (71 mi) north of Telegraph Creek, British Columbia. The Koshin River's watershed's land cover is classified as 43.0% conifer forest, 36.3% shrubland, 8.8% mixed forest, 5.4% barren, 2.5% wetland, and small amounts of other cover.[5]
The Koshin River is in the traditional territories of the Taku River Tlingit First Nation, part of the Tlingit people,[8] and the Tahltan First Nation, of the Tahltan people.[9][10]
- ^ a b "Koshin River". BC Geographical Names.
- ^ Derived using BCGNIS, topographic maps and TopoQuest.
- ^ a b Elevation derived from ASTER Global Digital Elevation Model, using GeoLocator, BCGNIS coordinates, and topographic maps.
- ^ a b Length measured using Google Maps path tool, BCGNIS coordinates, topographic maps, and TopoQuest
- ^ a b c d e "Northwest Water Tool". BC Water Tool. GeoBC, Integrated Land Management Bureau, Ministry of Agriculture and Lands, Government of British Columbia. Retrieved 12 August 2021.
- ^ "Nahlin River". BC Geographical Names.
- ^ Holland, Stuart S. (1976). Landforms of British Columbia: A Physiographic Outline (PDF). Government of British Columbia. p. 137. Retrieved 23 August 2021.
- ^ "T'akhu  Tlèn Conservancy". Taku Conservancy. Retrieved 12 August 2021.
- ^ "Our Territory". Tahltan Central Government. Retrieved 13 August 2021.
- ^ "Mehodihi: Well-known Traditions of Tahltan People" (PDF). UBC Museum of Anthropology. 2003. Retrieved 13 August 2021.