River ME

Charles River

Maine • 44.1364, -70.9643

Hydrography profile Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

81 mi

131 km

Elevation

376′ → -5′

381 ft drop

Stream Order

Large River

Slope

0.09%

4.7 ft/mi

Drainage

275 mi²

712 km²

Avg Flow

-- cfs

1.4 mph velocity

Path to Mouth

89 mi

143 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

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

Loading the interactive map…

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

Access Sites on Charles River

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