River NH NY VT

Ompompanoosuc River

New Hampshire • 43.7553, -72.2308

Length

25 mi

40 km

Elevation

1,720′ → 384′

1,336 ft drop

Stream Order

Large River

Slope

1.02%

53.8 ft/mi

Drainage

136 mi²

353 km²

Avg Flow

234 cfs

1.2 mph velocity

Path to Mouth

269 mi

433 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Water Quality

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

Data from USGS & NOAA for informational purposes only. More

Access Sites on Ompompanoosuc River

There are 3 boat ramps, launches, and public access points on Ompompanoosuc River.