Welcome to the Arnold Arboretum. Our 281-acre landscape featuring over 16,000 accessioned plants is open daily and free for all to explore. Whether you are coming for a stroll, on the lookout for wildlife, or interested in learning the stories and science behind our plants, we value accessibility as an institution and offer something for everyone. Explore our virtual walks, guided tours, Expeditions mobile app, and digital learning resources. If you're visiting with kids, check out a variety of self-guided family activities. Not sure where to start? Our Visitor Center staff is here to help.
Directions & Parking
You can get to the Arboretum by subway, bus, or car. Get directions to our main entrance at Arborway Gate, Peters Hill, Weld Hill Building, or Dana Greenhouses. Free parking is available along the Arborway, Bussey Street, and Walter Street. The Arnold Arboretum also offers resources for improved accessibility. Due to the pandemic, we are not issuing driving permits at this time.
The Arnold Arboretum of Harvard University125 Arborway Boston, MA 02130-3500
Hours & Admissions
The Arboretum landscape is free and open every day. The Visitor Center is closed until further notice due to COVID-19.
- Landscape Hours
- Visitor Center Hours
- Currently Closed
- Always Free
Read about the Arboretum’s response to COVID-19 and safety guidelines for visiting here. Consider avoiding the following hours of peak visitation: 4pm-7pm on weekdays and 2pm-7pm on weekends. While here, we ask that you respect each other and the landscape. Read our visitor tips and guidelines to learn about bringing your dog, hosting events, riding your bike, and more so you can plan your best visit. Please see our tick warning. We are restoring Faxon and Rehder Ponds from April through August of 2021. Please use caution and observe all safety signage and barriers while visiting these areas.
Wild Collection and Propagation of Rare and Endangered Plants
Join Arboretum Plant Propagator Sean Halloran to explore how ex-situ plant conservation, coordinated plant collection efforts, and plant propagation play vital roles in preserving biodiversity and slowing the damaging effects of climate change.
Visiting with Kids
wonder spots, arboretum haiku and you , tree of the month, everyday nature tasks: simple activities for outdoor fun and learning,
This half-mile Introductory Tour features stories about the Arboretum’s history, mission, and research endeavors. If you’re at the Arboretum, click here to take a version of this tour with Expeditions, our mobile web app.
Experience the Arnold Arboretum’s world-class living collections from Director Ned Friedman’s perspective. Take this tour online or while visiting the Arboretum in person.
Explorers Garden Tour
This quarter-mile tour through the Explorers Garden features stories from the Arboretum’s century and a half of collecting plants around the world. If you’re at the Arboretum, click here to take a version of this tour with Expeditions, our mobile web app.
Take a walk with Michael Dosmann, the Keeper of the Arboretum’s living collections. Take this tour online or while visiting the Arboretum in person.