From Boston: Rte. 95 North to Portsmouth, New Hampshire. Go left at the split (Exit 4), which will put you on the Spaulding Turnpike (Rte. 16 North) toward New Hampshire. Continue below. From Manchester, NH: Rte. 101 East to Epping, where you take Rte. 125 North. In Gonic, take the Spaulding Turnpike (Rte. 16 North). Continue below. From the Spaulding Turnpike (Route 16 North): Follow the Spaulding Turnpike to Exit 16 and follow the signs to Rte. 125 North toward Milton. (Our arrow sign is on the billboard.) Go one block and take your first right onto Flat Rock Bridge Road. At the stop sign, cross Salmon Falls Road and continue driving straight over the bridge to the campground entrance.