Clark's Hadwen Arboretum

Clark's Hadwen Arboretum

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Dedicated to the trees and wildlife of Clark's Hadwen Arboretum, a beautiful forest only a 10 minute Did you know that Clark has its very own forest?

The Hadwen Arboretum, willed to Clark University in 1907 by Worcester resident and noted horticulturist Obadiah Hadwen, is located at the intersection of Lovell and May Streets on ancestral land of the Nipmuc Nation. It contains 6.4 acres of unspoiled woodland green space in the heart of Worcester. The Arboretum lies at the midpoint of the East-West Trail, a 14-mile trek through many of Worcester’

04/22/2026

OUR BIGGEST EVENT OF THE YEAR IS HERE!!!! 🌲🌴🌳
Celebrate Arbor Day with the Arboretum Advocates and take the opportunity to give back to the green space that supports the community! Volunteer with us to remove invasive species, learn about initiatives in the Hadwen, and enjoy free food, activities, and more! Meet us at the Hadwen or walk over with a group from Red Square at noon! Feel free to stop by anytime as this event will be on a rolling basis. We cannot wait to see you there!!!

Photos from Clark's Hadwen Arboretum's post 04/20/2026

Thank you everyone who came to the arboretum for the Earth Day clean up!

We had an amazing turnout, happy to say the arboretum is clear of trash for the time being! We also worked on our weekly invasive spot clearing bittersweet and burning bush, we are almost done with that invasive stand!

The arboretum is so thankful for all of you! Shout out to .clarku for joining us!!

Other volunteering opportunities this week
Tuesday 21st 9:00-12:00
Tuesday 21st 11:00-1:00
Friday 24th 3:00-5:00 Weekly Volunteer Session
Saturday 25th 10:00-12:00 Invasive Clean Up
Saturday 25th 12:00-3:00 ARBOR DAY CELEBRATION! (Tons of clubs tabling, arboretum t shirts, snacks, community gardening, tours!)

Hope to see you again! Especially for ARBOR DAY!

04/19/2026

Learn how to spot and identify the local birds of Massachusetts with Mass Audubon Educator, Mal Duggan in the Hadwen Arboretum! We will have limited binoculars available so please bring your own if possible. Please dress for the weather and bring water. We will be meeting at Red Square and walking over as a group, or feel free to meet us at the Arboretum for 10 am!

04/13/2026

Join the Arboretum Advocates on an evening excursion to the Arboretum to identify moth species that visit at night! We will meet in Red Square and walk over as a group. Dress for the weather and bring water and flashlights if needed. 🦉🔦

Photos from Clark's Hadwen Arboretum's post 04/13/2026

Thank you everyone for joining the volunteer sessions at the Hadwen Arboretum!

This last Friday we had our highest attended weekly session of the semester with 20 volunteers!

Join us Fridays 3:00-5:00!

If your organizations, work space, or club would like to volunteer with us send a direct email to [email protected] and we will set it up!

In June we are expecting 50-75 students from South High! We love groups like this, email us and we can help your organization get set up!

03/27/2026

Join the Arboretum Advocates on a relaxing walk in the Hadwen Arboretum to enjoy nature and learn about the diversity in this important green space! This walk is part of Wellness Week and is designed to promote emotional, mental, and physical wellness. Please meet at Red Square at 1pm and dress appropriately for the weather. 🌳☀️🍀

03/25/2026

There are only three more birdwatching sessions this semester!!!! Make sure you join us to see some cool birds and enjoy the spring weather 🌳 As always we meet as a group at the red square at 10 am and walk over as a group. Be sure to bring your own binoculars if you have them since we only have a limited amount! We hope to see you there!!!!! 🦅🦆🦜🦢🐓🦃🦉🐦‍⬛🦚🪿

Photos from Clark's Hadwen Arboretum's post 03/19/2026

Hadwen Arboretum volunteer sessions are back in business!

Every Friday 3:00-5:00 arboretum staff, students and community volunteers come together to discuss and act on the best ways to improve the arboretum’s accessibility and resilience.

Huge shout out to our volunteers who cleared a fallen tree from a path! If this is work you or your organization is interested in being a part of come by our drop in sessions or email [email protected] to schedule a group / organization session (flexible times, tools, gloves and snacks provided)

03/11/2026

With all the lovely weather we’ve been having it’s time to start birdwatching again! Do you like to go birdwatching but have no one to go with? Or are you just starting out and would like to hear from other birders at Clark? If either of these apply to you, join us at the Hadwen Arboretum for some casual birdwatching! We will be meeting in the Red Square to walk over as a group. 🦅🦆🕊️🦢🦃🦉Please dress for the weather and bring your own binoculars if you have them available to you (we will have a very limited amount).
Birdwatching takes place every other Sunday from 10am-12pm and may be canceled if weather is inclement (updates provided via email or instagram)

Photos from Clark's Hadwen Arboretum's post 11/01/2025

Thank you to everyone who came to our spooky walk! Hope you are all having a lovely halloweekend! 🎃🎃🎃

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Worcester, MA