242 Suncook Valley Rd
Alton, NH 03809
Take Route 104 East to Meredith.
In Meredith, take a right onto US Route 3 South.
At the Weirs Beach rotary, take the second exit onto Route 11B.
In Gilford, take a left onto Route 11 East
When you get to the Alton Traffic Circle, take your first right onto Route 28 South.
Travel about 1.2 miles. Prospect Mountain HS is on your right.