Boathouse>Morningside Dr.>GW Bridge>Summit>E. Clinton>Depeyster>Knoll Rd.>Hillside>501>Anderson>Alpine>501>Broadway>Old Tappan>Wahington>William>Ferndon>Piermont>return 9W>Sage>Floyd>GW Bridge.
Variation on the usual route to Piermont. 9W return.
GPS: http://ridewithgps.com/routes/4320583
