Upper Ammonoosuc River
Upper Ammonoosuc River | ||
Stark Bridge over the Upper Ammonoosuc River |
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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. |
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Source height | 670 m | |
muzzle |
Connecticut River Coordinates: 44 ° 35 ′ 20 " N , 71 ° 32 ′ 9" W 44 ° 35 ′ 20 " N , 71 ° 32 ′ 9" W. |
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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 |
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
- Stark Bridge , at Stark
- Groveton Bridge , built in Groveton, 1852
Web links
Individual evidence
- ↑ Pond of Safety in the Geographic Names Information System of the United States Geological Survey
- ↑ Upper Ammonoosuc River in the Geographic Names Information System of the United States Geological Survey
- ↑ USGS 01130000 UPPER AMMONOOSUC RIVER NEAR GROVETON, NH
- ↑ Stark Bridge in the Geographic Names Information System of the United States Geological Survey
- ↑ Groveton Bridge in the Geographic Names Information System of the United States Geological Survey