Marion Township is a township in Berks County, Pennsylvania, United States. The population was 1,688 at the 2010 census.

The Tulpehocken Creek Historic District is a national historic district located in North Heidelberg Township, and Lower Heidelberg Township, Berks County, Pennsylvania. Encompassing a total of 17,000 acres, this district stretches from the Tulpehocken Creek and Mill Creek at the Berks County-Lebanon County line to the Blue March Dam between Bernville and Millardsville, and is composed of 152 contributing buildings, one contributing site, and four contributing structures which were related to the development which occurred along the upper Tulpehocken Creek from the early 18th century through the late 19th century. Historic buildings located here include early settlement period log cabins, which were built between 1723 and 1750; buildings related to the Charming Forge community, which existed between 1749 and 1895; an early 18th century cemetery and early 19th century church; buildings related to 18th and 19th century farming operations; and structures associated with the development and operation of the Union Canal.