Ashnola River

from Wikipedia, the free encyclopedia
Ashnola River
Ashnola River below the confluence of Ewart Creek

Ashnola River below the confluence of Ewart Creek

Data
Water code US1515973
location 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 )
48 ° 53 ′ 43 ″  N , 120 ° 14 ′ 48 ″  W.
Source height 7077  m
muzzle west of Keremeos in the Similkameen River Coordinates: 49 ° 13 ′ 29 ″  N , 119 ° 58 ′ 21 ″  W 49 ° 13 ′ 29 ″  N , 119 ° 58 ′ 21 ″  W
Mouth height approx.  440  m
Height difference approx. 6637 m
Bottom slope approx. 10%
length approx. 65 km
Catchment area 1050 km²
Discharge
A Eo : 1050 km²
Location: 3 km above the mouth
MQ 1948/2015
Mq 1948/2015
7.83 m³ / s
7.5 l / (s km²)
Right tributaries Ewart Creek
Upper Ashnola River Valley (2017)

Upper Ashnola River Valley (2017)

The Ashnola River is an approximately 65 km long right tributary of the Similkameen River in the north of the US state Washington and in the south of the Canadian province of British Columbia .

The river has its origin in the northeast of the Northern Cascade Range in the 7,077  m 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.

Web links

Commons : Ashnola River  - collection of pictures, videos and audio files

Individual evidence

  1. Peepsight Lake in the Geographic Names Information System of the United States Geological Survey
  2. a b c d Government of Canada: Historical Hydrometric Data Search Results: Station 08NL004