Take Rte 3 North from Hooksett through Allenstown into Pembroke. Travel approximately 1 mile to intersection of Academy Road (Pembroke Academy on right) - second traffic signal. Turn right onto Academy road. Three River School will be ¼ mile on right. From North or South: Take Rte 93 to Concord NH and exit #13 (Manchester Street). Turn South onto Manchester Street – Rte 3, and continue approximately 5 miles to intersection of Academy Road. (Second traffic signal in Pembroke). Turn left onto Academy Road. (Pembroke Academy on left) Three River School will be ¼ mile on right.