(Penn Valley, ~30', 38-44-B) across a creek at Penn Valley Christian Retreat N. of McVeytown, Oliver Township, Mifflin County, PA. Furnace Rd. NW 1.5 miles from jct with US22 in McVeytown, continue NW (curves NE) on Ferguson Valley Rd. 3.1 miles, N. (left) on Penn Valley 0.35 miles. Ask permission. (N40 32.846 W77 43.663) Photos by Keith Metzger 9-14-12.