Stony Brook was enhanced in the 1930s by improvements constructed by the Civilian Conservation Corps and the Works Progress Administration.

The footprint of these government programs is evident throughout the park in the form of hiking paths, bridges, picnic areas, and buildings.

The signature attraction of the park is the eponymous brook, which is an example of small, post-glacial streams in the Finger Lakes area.

The small creeks and brooks in this area cut through the Great Lakes-area escarpments following retreat of the ice age glaciers, creating deep, narrow gorges, with many waterfalls, which are uncommonly accessible.

[1] It offers two stream-fed swimming pools, picnic tables and pavilions, a playground, a nature trail, hiking, fishing and bow-hunting (deer), a campground with tent and trailer sites, and cross-country skiing.