Twin Falls near Jamison Run also known as the McElhatten Reservoir which heads McElhatten creek, which in turn flows into Keller Reservoir.  This is one of those places that only the locals that live near by know about.  I actually found out about it via a geocaching site quite near the falls and it was the only reference to the falls I could find at the time.   This shot was taken on my 2nd trip to the site in 2 days as the 1st trip yielded very poor quality images.