684 north to Exit 6A. Make a left at the end of exit ramp onto Rt. 22 North. Go approximately 1.8 miles, following signs for Rt. 138. At the light, make a left onto Rt. 138, going west. Go approximately 1/2 mile and look for Plum Brook Road on the left. If you pass Kennedy Catholic High School, you went too far.

684 south to Exit 8 (Hardscrabble Road-Croton Falls/Purdys). At the end of exit ramp, make a left onto Hardscrabble Road. At the next light, make a left onto Rt. 22 South. Go approximately 3 1/2 miles and follow signs for Rt. 138 West. Make a left onto Rt. 138, going west. Go approximatley 1/2 mile and look for Plum Brook Road on the left. If you pass Kennedy Catholic High School, you went too far.

Head south on Rt. 100 to Rt.138. At the light make a left onto Rt. 138. Pass Kennedy Catholic High School on right, and make next right onto Plum Brook Road. If you reach 684, you went too far.