South Nahanni River

from Wikipedia, the free encyclopedia
South Nahanni River
Virginia Falls

Virginia Falls

Data
location Northwest Territories , Yukon ( Canada )
River system Mackenzie River
Drain over Liard River  → Mackenzie River  → Arctic Ocean
source on the southern slope of Mount Christie in the Selwyn Mountains
63 ° 0 ′ 54 ″  N , 129 ° 35 ′ 17 ″  W
Source height approx.  1600  m
muzzle in the Liard River at Nahanni Butte Coordinates: 61 ° 2 '2 "  N , 123 ° 22' 50"  W 61 ° 2 '2 "  N , 123 ° 22' 50"  W
Mouth height 350  m
Height difference approx. 1250 m
Bottom slope approx. 2.2 ‰
length 563 km
Catchment area 36,300 km²
Discharge at the level above Virginia Falls
A Eo : 14,600 km²
Location: 200 km above the mouth
MQ 1962/2000
Mq 1962/2000
225 m³ / s
15.4 l / (s km²)
Discharge at the gauge above Clausen Creek
A Eo : 31,100 km²
Location: 100 km above the mouth
MQ 1969/1995
Mq 1969/1995
402 m³ / s
12.9 l / (s km²)
Left tributaries Broken Skull River
Right tributaries Little Nahanni River , Rabbitkettle River , Flat River , Jackfish River
Communities Nahanni Butte
Virginia Falls waterfall

The South Nahanni River is a 563 km long tributary of the Liard River in northern Canada . It drains an area of ​​36,300 km² and has an average discharge of 404 m³ / s.

course

The South Nahanni River has its source at Mount Christie in the Mackenzie Mountains at an altitude of 1,600  m . Then it forms the border between the Northwest Territories and the Yukon Territory for 10 kilometers. It flows through the Selwyn Mountains , where it receives the waters of the Little Nahanni River . To the east of the Bologna Ridge it makes an arc to the west. In the Vampires Peaks Range it takes in the Broken Skull River , then the Rabbitkettle River and in the Nahanni National Park Reserve the Hole in the Wall Creek . Here the river passes the 96 m high Virginia Falls waterfall ( ). Then it crosses the Park Reserve and takes in the Flat River . Shortly before it flows into the Liard River at Nahanni Butte , 90 kilometers north of Fort Liard , it takes in the Jackfish River .

Web link

Commons : South Nahanni River  - Collection of images, videos and audio files

Individual evidence

  1. a b The Atlas of Canada - Rivers ( Memento from January 22, 2013 in the Internet Archive ) (English)
  2. South Nahanni River at the gauge above Virginia Falls - hydrographic data from R-ArcticNET
  3. ^ South Nahanni River at the gauge above Clausen Creek - hydrographic data from R-ArcticNET