Chimneystack Run
General data
- Name: Chimneystack Run
- Water system: Susquehanna River
- Water type: Stream
- Progression: Coles Creek (Pennsylvania) -> Fishing Creek (North Branch Susquehanna River tributary) -> North Branch Susquehanna River -> Susquehanna River -> Chesapeake Bay -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
Chimneystack Run (also known as Chimney Stack Run[1]) is a tributary of Coles Creek in Columbia County, Pennsylvania, in the United States. It is approximately 1.8 miles (2.9 km) long and flows through Sugarloaf Township. The watershed of the stream has an area of 1.07 square miles (2.8 km2). The stream's headwaters are located between Red Rock Mountain and Central Mountain. It has no named tributaries, but one unnamed tributary. Chimneystack Run is named after Chimneystack Rock. Wild trout inhabit the stream. Glaciation has affected the geography and geology in its vicinity.
