Save This Event For Later Tour de Gretna Mount Gretna, PA, Sat Apr 28, 2018 Who's Registered? | Contact Event | Event Website | Google Calendar | Race Predictor Start line address: 117 Timber Rd., Timber Hills, PA, Mount Gretna, PA 17064 Presented by LUPINE Lighting Systems USA Cycling Permit # 2018-1129 This is a past event. If you wish to see the details for this event click, "Continue" below. If you are looking for a current event, please search the event calendar .