Sinking Spring is a borough that is located in Berks County, Pennsylvania, United States.

The borough, which has a large number of underground streams that carve out limestone and form sinkholes, was incorporated on March 13, 1913.

According to the United States Census Bureau, the borough has a total area of 1.4 square miles (3.6 km2), all land.

[5] The borough has a hot-summer humid continental climate (Dfa) and average monthly temperatures range from 30.4 °F in January to 75.6 °F in July.

Several oil and gas pipeline, terminal, and distribution companies are located in Sinking Spring near the village of Montello.

The Sunoco Logistics Montello Complex is the company's Eastern Pipeline System headquarters, as well as a local trucking terminal and a major midstream terminal for refined products, mostly originating from the Philadelphia and Marcus Hook refineries.

Sunoco's pipelines out of Montello provide gasoline, diesel fuel, and heating oil to large markets in Pittsburgh, Buffalo, and Rochester, as well as smaller markets near Harrisburg, Altoona, Williamsport, Tamaqua, and Kingston in Pennsylvania and the Elmira/Corning area in New York state.

PA 724 heads southeast from US 422 along Shillington Road across the southeastern portion of the borough.