Clifton No. 3 is a historic gravity dam located on the Pacolet River in Spartanburg, South Carolina, with a primary purpose of hydroelectric power generation. Built in 1899, this dam stands at a height of 33 feet and has a storage capacity of 250 acre-feet. Its masonry and gravity dam types, along with a buttress core type and rock foundation, contribute to its structural integrity.

Managed by the Federal Energy Regulatory Commission, Clifton No. 3 has a low hazard potential and a moderate risk assessment rating. With a spillway width of 290 feet and a maximum discharge capability of 60,000 cubic feet per second, this dam plays a crucial role in regulating water flow in the region. Despite its age, Clifton No. 3 continues to operate efficiently, providing essential hydroelectric power while maintaining a safe condition.

The surrounding area benefits from the presence of Clifton No. 3, with the dam contributing to flood control, water storage, and energy production. As a significant piece of infrastructure in the region, this dam serves as a testament to the enduring importance of water resource management and climate resilience in South Carolina.