Cranberry Lake in Silver Lake Township, Pennsylvania, is a privately owned recreation reservoir with a dam constructed in 1919 for water storage. The dam is primarily an earth structure, standing at a height of 8 feet with a length of 60 feet. The lake has a normal storage capacity of 15 acre-feet and a maximum storage of 50 acre-feet, serving as a popular spot for recreational activities in the region.

Managed by the Pennsylvania Department of Environmental Protection, Cranberry Lake is state-regulated, with permitting, inspection, and enforcement measures in place to ensure its safety and functionality. Despite being classified as having a low hazard potential, the dam's condition is assessed as fair, with a regular inspection frequency of 5 years. While there are no associated structures or locks, the reservoir provides a surface area of 14 acres and drains from a small 1.1 square mile watershed area, primarily fed by Silver Creek.

Overall, Cranberry Lake offers a picturesque setting for outdoor enthusiasts to enjoy water-based activities in a well-maintained and regulated environment. With its historical significance dating back to the early 20th century, the reservoir continues to provide valuable recreational opportunities while prioritizing safety and environmental stewardship in its management practices.