[1][2] Its heritage dates in part to pre-colonial Lenapehoking.
New York City acquired 4,000 acres (~1620 ha) as parkland in 1888, and in 1895 the New York Botanical Garden site was chosen here primarily due to the presence of the forest, which covers about one-fifth of the garden grounds.
Founding director Nathaniel Lord Britton described the site as "the most precious natural possession of the city of New York".
The canopy is in various zones such as oak, hemlock, beech, sweet gum and mixed.
Appointed in 2021, Eliot Nagele serves as the Director of the Thain Family Forest.