At this location in northern Indiana County there are two tunnels, one for the highway and a second tunnel for a railroad. There is an opening between the two tunnels. The water in the photo is a small tributary that eventually enters Mahoning Creek.
There are several waterfalls in PA called Buttermilk Falls. This photo is the Buttermilk Falls in Armstrong county. It is located along the Cowanshannock Creek Trail north of Kittanning, PA.
A sunny day at the Ghost Town Trail. Photo taken at the Laurel Run #1 Bridge on September 17, 2015.