| Ammonoosuc River | |
|---|---|
The Lower Falls of the Ammonoosuc | |
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| Location | |
| Country | United States |
| State | New Hampshire |
| Counties | Coos,Grafton |
| Physical characteristics | |
| Source | Lakes of the Clouds |
| • location | Coos County,New Hampshire, United States |
| • coordinates | 44°15′31″N71°19′8″W / 44.25861°N 71.31889°W /44.25861; -71.31889 |
| • elevation | 5,025 ft (1,532 m) |
| Mouth | Connecticut River |
• location | Woodsville,Grafton County,New Hampshire, United States |
• coordinates | 44°9′19″N72°2′16″W / 44.15528°N 72.03778°W /44.15528; -72.03778 |
• elevation | 430 ft (130 m) |
| Length | 55 mi (89 km) |
| Basin features | |
| Tributaries | |
| • left | Zealand River,Little River,Gale River,Wild Ammonoosuc River |

TheAmmonoosuc River is a 55-mile-long (89 km)river in northwesternNew Hampshire in the United States.[1][2] It is atributary of theConnecticut River, which flows toLong Island Sound.Ammonoosuc isAbnaki for "small, narrow fishing place".[3]
The Ammonoosuc rises on the western slope ofMount Washington,[1] inSargent's Purchase in theWhite Mountains of southernCoos County. One branch of the river is the outlet of theLakes of the Clouds in the saddle between Mount Washington andMount Monroe. Leaving the vicinity of thePresidential Range, the river flows westwardly intoGrafton County, where it turns southwestwardly. Along its course the Ammonoosuc passes throughChandler's Purchase,Bean's Grant, andCrawford's Purchase; and the towns ofCarroll,Bethlehem,Littleton,Lisbon,Landaff,Bath, andHaverhill to the village ofWoodsville, where it flows into the Connecticut River. It collects theGale River in Lisbon, and theWild Ammonoosuc River in Bath.[4]

TheUnited States Board on Geographic Names settled on "Ammonoosuc River" as the stream's name in 1936. According to theGeographic Names Information System, it has also been known as:[2]
See alsoDefunct placenames of New Hampshire.