Grace Mine Tailings is a privately owned recreational site located in Caernarvon Township, Berks, Pennsylvania. The tailings dam, completed in 1957, stands at a height of 145 feet and has a storage capacity of 1650 acre-feet. The dam serves the primary purpose of recreation, attracting water resource and climate enthusiasts to its 160-acre surface area along TR Hay Creek.

Managed by the Pennsylvania Department of Environmental Protection, the Grace Mine Tailings dam is state regulated, inspected, and enforced to ensure public safety. Despite its high hazard potential, the dam is currently assessed to be in fair condition. With a drainage area of 0.54 square miles, the dam poses a risk of inundation, prompting the need for emergency action planning and risk management measures to mitigate any potential threats to the surrounding community and environment. As a notable landmark in the region, the Grace Mine Tailings serves as a reminder of the intersection between human activity, water resources, and climate resilience.