Meet HL John Odell, 484-885-6205 (C) at 9:00 AM for a hike in the woods. Meet in the upper parking lot in front of the park office in Ridley Creek State Park. Directions: From Route 352, go North on Gradyville Road for 1 mile; turn onto Sandy Flash Road (Park Entrance) and make a right onto the first road. Proceed to the upper parking lot. Address: 351 Gradyville Road, Newtown Square, PA. GPS Coordinates 39.955644, -75.451609. Bring water and snacks. Hike estimated to take 3+ hours.