7 - 8 miles. Depart G & R at 9:00 AM (15 miles to trailhead) or the Valley Forge Visitors Center lower parking lot at 9:45 AM. Take a beautiful winter hike along the river and through the woods in this historic national park. HEAVY SNOW CANCELS. Cost: $1.00. Leader: Michael Alper, 215-233-0916, Cell: 480-809-5763, aniamike@aol.com.