Here are a few pictures of the Beaver Dam located on the Lower Level trail behind Lake Bray.
A special thanks to Brian Farrell for his contribution to this post.
The beavers have been quite active recently, especially on the eastern side of Lake Bray where
they have built several canals to haul their building materials to the dam site, their lodge is now located on the east side of the lake on the Inner Loop (yellow) trail.
Among the dam's benefits are reduced stream bank erosion, reduction of sediment in the brooks and streams, development of new wetlands, a better environment for fish and waterfowl, and in the case of Lake Bray, it has deepened the waters of the lake which provides a more stable water supply for wildlife and vegetation.