From Boston:
Take I-93 north to Concord, New Hampshire, then I-89  north to Exit 18 [Lebanon-Hanover]. Bear right at the exit, and follow Route 120 north to Hanover, which is approximately six miles.

This route will bring you into Hanover past the Dartmouth-Hitchcock Medical Center (not visible from the road).  At the traffic light with a Mobil gas station on your right, the road forks; bear right.  At the second light beyond this fork, turn left onto Route 10A (E. Wheelock Street).  Proceed straight through a signal light passing the Dartmouth Green (a large open area) on your right and the Hanover Inn on your left.  At the bottom of the hill, turn right immediately before the bridge onto Tuck Drive and then turn left into the Ledyard Canoe Club Parking Lot.  Follow the signs and the balloons up the staircase at the far end of the parking lot to Tuck School.

From Manchester, New Hampshire:
Take I-293 south to I-93 north, then I-89 north and then to Exit 18 as above. (Directions from Boston)

From West Lebanon, New Hampshire:
Take I-89 north across the bridge into Vermont, then I-91 north and then to Vermont Exit 13 as above. (Directions from Boston)

From New York:
Take I-95 north to I-91 north, or I-684 north and I-84 east to Hartford, Connecticut, then I-91 north to Vermont Exit 13 [Norwich-Hanover].  Bear right at the exit and cross the Connecticut River.   Turn left immediately after the bridge onto Tuck Drive and then turn left into the Ledyard Canoe Club Parking Lot.  Follow the signs and the balloons up the staircase at the far end of the parking lot to Tuck School.  

From Montreal:
Take I-89 south to I-91 north and then to Vermont Exit 13 as above. (Directions from New York)

From Burlington, Vermont:
Take I-89 south to I-91 north and then to Vermont Exit 13 as above. (Directions from New York)