Cascade Township, 1456 Kellyburg Road, Trout Run, PA 17771.
Cascade Township derives its name from the cascades or waterfalls along its streams. It was erected from Hepburn and Plunketts Creek Townships on August 9, 1843. Burnett's Ridge crosses the township and enters Sullivan County to the east. The ridge was named for William Burnett, Indian trader. The first settler was Michael Kelly, who built on Wallis Run in 1843. He was the founder of Kellysburg and a pioneer in road building.