Ashnola River below the confluence of Ewart Creek
|Water code||US : 1515973|
Washington ( USA ),
British Columbia ( Canada )
|River system||Columbia River|
|Drain over||Similkameen River → Okanagan River → Columbia River → Pacific Ocean|
|origin||Peepsight Lake ( Northern Cascade Range )
|muzzle||west of Keremeos in the Similkameen River
|Height difference||approx. 6637 m|
|Bottom slope||approx. 10%|
|length||approx. 65 km|
|Catchment area||1050 km²|
A Eo : 1050 km²
Location: 3 km above the mouth
|7.83 m³ / s
7.5 l / (s km²)
|Right tributaries||Ewart Creek|
Upper Ashnola River Valley (2017)
The river has its origin in the northeast of the Northern Cascade Range in the high mountain lake Peepsight Lake . Initially it flows in a northerly direction. After about 17 km he crosses the border into Canada. After another 18 km the river turns to the east. 12 km above the mouth, the Ewart Creek meets the Ashnola River from the right. This then flows in a northerly direction and finally reaches the Similkameen River 11 km west of Keremeos .
The Ashnola River forms the northern and western borders of Cathedral Provincial Park in British Columbia . Ashnola Road runs along the river for the lower 40 km .
The Ashnola River drains an area of 1050 km². The mean discharge near the mouth is 7.83 m³ / s. In the months of May and June, when the snow melts , the Ashnola River carries the largest amounts of water.
- Ashnola River in the United States Geological Survey's Geographic Names Information System
- Similkameen River . In: BC Geographical Names (English)
- Geographical Names of Canada: Ashnola River