Upper Ammonoosuc River

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Upper Ammonoosuc River
Stark Bridge over the Upper Ammonoosuc River

Stark Bridge over the Upper Ammonoosuc River

Data
Water code US :  870585
location Coös County in New Hampshire (USA)
River system Connecticut River
Drain over Connecticut River  → Atlantic Ocean
origin Pond of Safety
44 ° 23 ′ 41 ″  N , 71 ° 19 ′ 20 ″  W.
Source height 670  m
muzzle Connecticut River Coordinates: 44 ° 35 ′ 20 "  N , 71 ° 32 ′ 9"  W 44 ° 35 ′ 20 "  N , 71 ° 32 ′ 9"  W.
Mouth height 258  m
Height difference 412 m
Bottom slope 6.1 ‰
length 68 km
Catchment area 650 km²
Discharge at Groveton gauge ( ⊙ ) A Eo : 594 km² Location: approx. 8 km above the mouth

dep1 		MQ 1941 /
Mq 1941 /
 		13.6 m³ / s
22.9 l / (s km²)
Left tributaries West Branch Upper Ammonoosuc River
Right tributaries North Branch Upper Ammonoosuc River
Communities Strong , Groveton

The Upper Ammonoosuc River is a left tributary of the Connecticut River in the US state of New Hampshire .

The Upper Ammonoosuc River has its origin in the small mountain lake Pond of Safety in the White Mountains about 10 km west of Gorham . The river flows north. The small Godfrey Pond reservoir is located on the upper reaches . A short distance downstream, the West Branch Upper Ammonoosuc River flows into the river. The New Hampshire State Route 110 runs for several kilometers along the river. The North Branch Upper Ammonoosuc River meets the river on the right side. The Upper Ammonosuuc River is gradually turning west. At Stark , the river is spanned by a covered bridge . The Upper Ammonoosuc River passes Groveton , where another covered bridge spans it. There are two hydropower plants on the river in Groveton. A few kilometers further downstream is the confluence with the Connecticut River. The Upper Ammonoosuc River has a length of 68 km. It drains an area of ​​650 km². The mean discharge at the Groveton gauge is 13.6 m³ / s.

Covered bridges

Web links

Commons : Upper Ammonoosuc River  - Collection of Pictures, Videos and Audio Files

Individual evidence

  1. ↑ Pond of Safety in the Geographic Names Information System of the United States Geological Survey
  2. ↑ Upper Ammonoosuc River in the Geographic Names Information System of the United States Geological Survey
  3. ↑ USGS 01130000 UPPER AMMONOOSUC RIVER NEAR GROVETON, NH
  4. ↑ Stark Bridge in the Geographic Names Information System of the United States Geological Survey
  5. ↑ Groveton Bridge in the Geographic Names Information System of the United States Geological Survey