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Arnold Arboretum

Hours and Services

The Arnold Arboretum’s 281-acre landscape is open from sunrise to sunset every day of the year. There is no admission charge, but donations are appreciated.

Hunnewell Building restrooms and access for business guests are open weekdays from 9:00am until closing and weekends from 10am until closing. Closed holidays.

The Visitor Center and Art Exhibits in the Hunnewell Building are open:

Services available in the Visitor Center include:

The Arnold Arboretum Horticultural Library is open Monday through Friday, 10:00am–3:45pm. The library is closed on weekends and holidays. more »

Contact us

Vehicular Traffic, Parking, and Special-Needs Driving Permits

Parking is available outside the main gate, along the Arborway, and around the Arboretum’s perimeter. The plantings are best enjoyed on foot, and the grounds are closed to vehicular traffic except by permit for special-needs individuals.

A limited number of driving permits are available from the Hunnewell Visitor Center for special needs individuals only. Permits are first-come, first-served, Monday, Tuesday, Thursday, and Friday between 12:00pm and 3:00pm. During busy times a one-hour time limit may be imposed. Vehicle height is a maximum of 11′ high, with a maximum capacity of 35. A driver’s license is required in exchange for the permit. Full driving restrictions (speed limit, permissible roads) are explained when the driving pass is loaned. The right to a driving permit may be revoked if the vehicle is observed violating these regulations.

Please Protect Our Plant Collections

The Arnold Arboretum is intended for the study of plants and the passive appreciation of nature. Activities must be conducted in a manner that does not impact or deter the general public’s enjoyment of the Arboretum.

Groups and individuals using the Arboretum should be aware of the following rules:

See policies related to weddings, memorial services, and other group activities

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