The Salmon Falls River is a tributary of the Piscataqua River in the U.S. states of Maine and New Hampshire. It rises at Great East Lake, Newichawannock Canal, and Horn Pond and flows south-southeast for approximately 38 mi , forming the border between York County, Maine, and Strafford County, New Hampshire.
The Salmon Falls River is the only tributary of the Piscataqua River
( z1 tributary :mod ( z2 only ) :part-of ( z3 river :name ( z4 name :op "Piscataqua" :op "River" ) ) :domain ( z5 river :name ( z6 name :op "Salmon" :op "Falls" :op "River" ) ) )