Mount Penn is a borough in Berks County, Pennsylvania, United States. The population was 3,240 at the 2020 census. The borough shares a name with a 1,120-foot-high (340 m) mountain that rises to the north and overlooks the city of Reading. The peak is sometimes recognized as the southern end of the Reading Prong group of mountains.

St. Lawrence, is a borough in Berks County, Pennsylvania, United States. The population was 1,892 at the 2020 census. It sits just east of Mount Penn and Reading. It is served by the Exeter Township School District.