The Nannen Arboretum is an eight-acre (3.2 ha) arboretum and botanical garden located at 28 Parkside Drive, Ellicottville, New York. It is nonprofit and open to the public.

Nannen Arboretum
Nannen Arboretum in August 2016
Location of Nannen Arboretum within New York State
Type	Arboretum
Location	28 Parkside Drive Ellicottville, New York
Coordinates	42°16′59″N 78°40′15″W / 42.283°N 78.6707°W / 42.283; -78.6707
Operated by	Town of Ellicottville
Website	www.nannenarboretum.com

The arboretum was organized in 1976 and contains over 250 species of trees, shrubs, flowers, and herbs. It includes several Japanese gardens, a pond with fish, a large herb garden, and nature walks. The Nannen Arboretum was affiliated with the Cornell Cooperative Extension prior to 2013, at which time the arboretum was transferred to the Town of Ellicottville.^[1]