River ME

Dead Diamond River

Maine • 44.9123, -71.0819

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

19 mi

30 km

Elevation

1,432′ → 1,246′

187 ft drop

Stream Order

Medium River

Slope

0.19%

10.0 ft/mi

Drainage

154 mi²

400 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

228 mi

367 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

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

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Data from USGS & NOAA for informational purposes only. Read source and safety notes

Access Sites on Dead Diamond River

There are 2 boat ramps, launches, and public access points on Dead Diamond River.