In 2020, Ausbon Sargent acquired Mountain Brook Forest Preserve, a 234-acre land parcel in Andover. This property was donated, transferring ownership to Ausbon Sargent Land Preservation Trust by Frederick and Patrice Ficken, who wished for it to be protected, forever.

The Mountain Brook Forest Preserve is adjacent to thousands of acres of already-conserved land, including the Old College Road Preserve, which is also owned by Ausbon Sargent.  The protection of Mountain Brook, which flows into Elbow Pond, will assist in the protection of the surrounding watershed.

This property is highly ranked for wildlife habitat in the 2015 Wildlife Action Plan and, with good forestry soils, has been managed for forestry in the past. This property will remain open to the public for low-impact recreation. 

The AllTrails website has a description and map of a hike at Mountain Brook Forest Preserve.