Knapp Brook Site No. 2, also known as Knapp Pond Site No. 2, is a state-owned recreation area located in Cavendish, Vermont. The dam, completed in 1961 by designer Haley & Ward, stands at a height of 22 feet and is primarily used for recreational purposes. The dam's primary purpose is to provide a surface area of 35 acres for activities such as fishing, boating, and wildlife observation.

This significant earth dam on Knapp Brook has a storage capacity of 623 acre-feet and serves as a vital water resource for the surrounding area. With a fair condition assessment as of August 2019, the dam is regularly inspected by the Vermont Department of Environmental Conservation (DEC) to ensure its structural integrity and compliance with state regulations. It is considered to have a significant hazard potential due to its location and the population at risk downstream in the event of a breach.

Despite its proximity to residential areas, Knapp Brook Site No. 2 provides a peaceful retreat for outdoor enthusiasts and serves as an important water resource for the community. With its picturesque setting and recreational opportunities, this dam on Knapp Brook is a valuable asset for both water resource and climate enthusiasts in Windsor County, Vermont.