The Almy D. Coggleshall Plotter Kill Preserve is a 632-acre (256 ha) nature reserve and hiking area located on Route 159 in the town of Rotterdam, Schenectady County, New York State.

The preserve is named after Almy D. Coggleshall, who was central in creating the trail at Plotter Kill while a member of the Schenectady County Environmental Advisory Council.

The Plotter Kill Preserve is ideal for nature study and is used by local schools and Boy Scout troops.

Over 600 species of plants have been found in the area including: trilliums, violets, lilies, ferns and club mosses.

The entry for Wednesday 29 November 1786 reads "Some time after breakfast Mr Henry Fero and I went to see the falls and it is a grand sight, the power of God is to be seen here.