Stillwater River (Flathead River)
| Stillwater River | ||
.jpg) Aerial view looking north to Stillwater River, Lower Stillwater Lake, and US Highway 93 on the right |
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| Data | ||
| Water code | US : 791525 | |
| location | Montana ( USA ) | |
| River system | Columbia River | |
| Drain over | Flathead River → Clark Fork → Pend Oreille River → Columbia River → Pacific Ocean | |
| Headwaters | Whitefish Range, Rocky Mountains 48 ° 48 ′ 6 " N , 114 ° 42 ′ 43" W. |
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| Source height | approx. 1900 m | |
| muzzle |
Flathead River Coordinates: 48 ° 9 '54 " N , 114 ° 15' 39" W 48 ° 9 '54 " N , 114 ° 15' 39" W. |
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| Mouth height | 881 m | |
| Height difference | approx. 1019 m | |
| Bottom slope | approx. 8.5 ‰ | |
| length | approx. 120 km | |
| Catchment area | approx. 2010 km² | |
| Discharge at the Kalispell A Eo gauge : 1544 km² Location: 13 km above the mouth |
MQ 2008/2017 Mq 2008/2017 |
10.7 m³ / s 6.9 l / (s km²) |
| Left tributaries | Whitefish River | |
| Right tributaries | Logan Creek | |
| Flowing lakes | Upper Stillwater Lake, Lower Stillwater Lake | |
| Medium-sized cities | Kalispell | |
The Stillwater River is an approximately 120 km long right tributary of the Flathead River in the US state of Montana .
River course
The Stillwater River rises at an altitude of about 1900 m in the Whitefish Range , a mountain range of the Rocky Mountains . It flows mainly in a south-southeast direction. The Upper Stillwater Lake and Lower Stillwater Lake lie along the river . The Stillwater River eventually reaches the town of Kalispell . 9 km above the mouth, the Whitefish River meets the Stillwater River from the left. This finally flows 5 km southeast of Kalispell into the Flathead River, 10 km from the north shore of Flathead Lake . The US Highway 93 runs between Stryker and Whitefish nearly 40 km along the river.
Hydrology
The Stillwater River drains an area of about 2010 km². The mean discharge 13 km above the mouth is 10.7 m³ / s. The highest monthly runoffs usually occur during the snowmelt in May.