From Middletown:

• Take Route 9 South to I-95
• From Route 9, take the I-95 North exit toward New London
• Follow I-95 to Exit 81, Parkway South / Cross Rd.
• At the end of the exit, turn left onto Parkway South
• Proceed approximately 100 yards to Cross Rd.
• Turn right onto Cross Rd.
• Follow Cross Rd. to US Route 1 (Boston Post Rd.)
• Turn left onto US Route 1
• Follow US Route 1 approximately 1.6 miles to Avery Lane (Route 213)
• Turn right onto Avery Lane (Route 213)
• Avery Lane becomes Great Neck Road (but remains Route 213) as you cross Route 156 (Rope Ferry Rd.)
• Follow Great Neck Rd. for approximately 3.5 miles
• The Camp Harkness entrance will be on your right (past the Harkness Memorial State Park entrance)