Illecillewaet River

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Illecillewaet River
Illecillewaet River, in the background the Sir Donald Range

Illecillewaet River, in the background the Sir Donald Range

Data
location British Columbia ( Canada )
River system Columbia River
Drain over Columbia River  → Pacific Ocean
origin Illecillewaet Glacier in the Selkirk Mountains
51 ° 14 ′ 37 ″  N , 117 ° 27 ′ 12 ″  W
Source height approx.  2100  m
muzzle Upper Arrow Lake Coordinates: 50 ° 58 ′ 56 "  N , 118 ° 12 ′ 28"  W 50 ° 58 ′ 56 "  N , 118 ° 12 ′ 28"  W.
Mouth height 440  m
Height difference approx. 1660 m
Bottom slope approx. 23 ‰
length 72 km
Catchment area 1230 km²
Discharge at the Greeley
A Eo gauge : 1150 km²
Location: 10.5 km above the mouth 		MQ 1964/2015
Mq 1964/2015
 		53 m³ / s
46.1 l / (s km²)
Left tributaries Albert Creek
Right tributaries Tangier River
Small towns Revelstoke
Truss steel bridge over the Illecillewaet River in Revelstoke, 2 km above the estuary

Truss steel bridge over the Illecillewaet River in Revelstoke, 2 km above the estuary

The Illecillewaet River is a 72 km long river in the eastern part of the Canadian province of British Columbia .

The headwaters of the Illecillewaet River is located on the southwest flank of the Sir Donald Range in the Selkirk Mountains . There the river is fed by the Illecillewaet glacier at an altitude of about 2100  m . The Illecillewaet River flows through the mountains in a predominantly west-southwest direction. The British Columbia Highway 1 ( Trans-Canada Highway ) followed by 4 km below the glacier along the river to its mouth. The Illecillewaet River passes the small town of Revelstoke and finally flows into the upper end of the 440  m high Upper Arrow Lake . The upper 20 km of the Illecillewaet River is within Glacier National Park .

Hydrology

Since the completion of the Hugh Keenleyside Dam on the Columbia River in 1968 and its damming up to the Arrow Lakes , the Illecillewaet River no longer flows directly into the Columbia River, but into the upper end of the reservoir, the upper part of which is called Upper Arrow Lake . The catchment area of ​​the Illecillewaet River covers an area of ​​1230 km². The mean discharge 10.5 km above the mouth is 53 m³ / s. The highest runoffs usually occur between May and August.

Web links

Commons : Illecillewaet River  - collection of images, videos and audio files

Individual evidence

  1. ^ A b Government of Canada: Historical Hydrometric Data Search Results: Station 08ND003
  2. ^ A b c Government of Canada: Historical Hydrometric Data Search Results: Station 08ND013