Take RI exit 3. At the end of the ramp, merge onto Route 138.
Follow Route 138 to the stop light at Route 1. Turn left onto Route 1/Route 138, travel approximately 1 mile and bear right onto the ramp for Jamestown and Newport Bridges.
Follow Route 138 to the "last exit for Jamestown" before the Newport Bridge.
Follow Canonicus Ave until it turns into Walcott Ave. and continue through the stop sign to the sign for Fort Wetherill.
Bear left at the sign and proceed to the boat launch area.