› Rivers & Lakes › New Hampshire
River NH VT

Upper Ammonoosuc River

New Hampshire • 44.6251, -71.4690
Length
43 mi
69 km
Elevation
2,180′ → 842′
1,339 ft drop
Stream Order
5
Medium River
Slope
0.59%
31.1 ft/mi
Drainage
252 mi²
652 km²
Avg Flow
559 cfs
2.3 mph velocity
Path to Mouth
387 mi
622 km to ocean
Classification
Headwater
Source Stream
Elevation Profile
Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

EPA WQP MyWaterway
Data from USGS & NOAA for informational purposes only. More
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Water Level Gauges on Upper Ammonoosuc River

There are 1 USGS water level monitoring stations on Upper Ammonoosuc River providing real-time flow and stage data.

Access Sites on Upper Ammonoosuc River

There are 6 boat ramps, launches, and public access points on Upper Ammonoosuc River.