Stillwater River (Yellowstone River)

Stillwater River
Stillwater River north of Absarokee
Data
Water code	US :  791524
location	Montana (USA)
River system	Mississippi River
Drain over	Yellowstone  → Missouri  → Mississippi  → Gulf of Mexico
Headwaters	Beartooth Mountains 45 ° 3 ′ 7 ″  N , 109 ° 59 ′ 15 ″  W.
Source height	approx.  2670  m
muzzle	Yellowstone River Coordinates: 45 ° 38 ′ 19 "  N , 109 ° 17 ′ 7"  W 45 ° 38 ′ 19 "  N , 109 ° 17 ′ 7"  W
Mouth height	1095  m
Height difference	approx. 1575 m
Bottom slope	approx. 16 ‰
length	100 km
Catchment area	approx. 2840 km²
Discharge at the gauge Absarokee A Eo : 2528 km² Location: 17 km above the mouth	MQ 1936/2017 Mq 1936/2017	26.3 m³ / s 10.4 l / (s km²)
Left tributaries	West Fork Stillwater River
Right tributaries	Rosebud Creek
Communities	Nye, Absarokee

The Stillwater River is a 100 km long right tributary of the Yellowstone River in the central south of the US state Montana .

River course

The Stillwater River has its source in the Beartooth Mountains at an altitude of 2,670  m . It initially flows 50 km north. The river runs within the Absaroka-Beartooth Wilderness in the Custer National Forest . The West Fork Stillwater River flows into the river on the left at the settlement of Nye . This gradually turns to the northeast. At Absarokee , Rosebud Creek meets the Stillwater River when coming from the south. This still flows 17 km to its confluence with the Yellowstone River, 2 km west of Columbus . The river flows through Park County and Stillwater County .

Hydrology

The Stillwater River drains an area of ​​about 2840 km². The mean discharge at the gauge north of Absarokee is 26.3 m³ / s. The river has the most water in June with a monthly mean of 96 m³ / s.

Individual evidence

1. ^ Stillwater River in the Geographic Names Information System of the United States Geological Survey
2. ↑ ^{a b} USGS 06205000 Stillwater River near Absarokee MT