The brook takes a winding course (east- and southward flow predominating) through the towns of Amherst, Bedford, and Merrimack before ending at the Souhegan River near its outlet to the Merrimack River.
The brook follows a curved path (east- and southward flow dominating) through the towns of Amherst, Bedford, and Merrimack before emptying into the Souhegan River near its confluence with the Merrimack River.