The Cross-Chappy trail. It winds through the woods, beginning at intersection of trail coming from Three Ponds Reservation, leads to PPR-7 (Causeway Trail to “Outer Islands”/Poucha Pond.)  Then it continues through woods and leads to southern portion of Poucha Pond Preserve with its beautiful views of the pond off PPR-8.  There are a number of boardwalks in one portion as it goes along the marsh.