 It was a "one-way" trail (i.e., same entrance and exit) and ran from PR-143 to the Doña Juana Creek.It started on PR-143 some 0.25 mile west of the entrance to the Area Recreativa/visitors' parking area and headed North ending at the Doña Juana Creek, about 0.2 mile west of "Charco La Confesora".Trail #4 was called "Camino Vega Grande" and was 0.4 mile long.