Palmer Township Recreation Trail (Towpath Bike Trail) Tow Path Bike Trail - Palmer TWP Rail Trail - Extended By dsallen in 9/7/2010 2:03:47 PM | - This Trail Head begins in Palmer TWP, PA 18045 (Easton), at S 25th St., and is called by three names; 1) Tow Path Bike Trail, 2) Palmer TWP Rail Trail, 3) D&L Trail - Lehigh Canal South, because it merges with the D&L Trail - Lehigh Canal South, which runs along the Lehigh River. Approximatley 2.3 miles west, it branches north and is called by two names; Tow Path Bike Trail / Palmer TWP Rail Trail. - The Trail End for the Tow Path Bike Trail / Palmer TWP Rail Trail, has been extended from S 27th St. (near William Penn/Easton Ave.), southward paralleling S 25th St., then crossing Freemansburg Ave., and ending on S 25th St. across from Hillside Ave. - From the point across from Hillside Ave., one can return to the Trail Head via Hillside Ave., to Iron St., to Glendon Hill Rd., to Lehigh Dr., and back to 25th St. Trail Head.