The Calfpasture River is a river in the U.S. state of Virginia. It flows about 41.0 miles (66.0 km)from its source, Gordons Peak in the Allegheny Mountains, to its confluence with the Little Calfpasture River, forming the Maury River. Via the Maury, the Calfpasture's waters flow into the James River, thence Chesapeake Bay and the Atlantic Ocean.