Welcome to the Arnold Arboretum. Our 281-acre landscape featuring over 15,000 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.
The Arnold Arboretum of Harvard University125 Arborway Boston, MA 02130-3500
Hours & Admissions
The Arboretum landscape is free and open every day.
- Landscape Hours
- Visitor Center Hours
- noon–4pm, Friday–Monday
- Always Free
Visiting with Kids
wonder spots, tree of the month: seven son flower, storywalks,
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.