Over 100 people and a few dogs joined us for our annual First Day Hike at Prospect Hill Park. That is a great turnout considering the weather was not ideal. About half of the attendees left from the traditional spot near the South Gate to PHP and the other half departed thirty minutes earlier from…
Sign up now for the 27th anniversary of this special event and help remove litter or invasive plants from along the banks of the Charles River!
If you weren't able to attend this event you can check out this slideshow to learn more about Making Pollinator Gardens Easy !
EVENT POSTPONED TO 2/28/2026 (same time: 10am-12pm) Join us for walk along the Charles River trail in search of dazzling waterfowl visiting from northern climes, as well as our resident birds. Possible sightings include Bufflehead, Ring-necked, and Golden eye ducks, Hooded and Common mergansers, Great Blue herons, Red-tailed hawks, and Bald eagles! Bring cameras and binoculars. Registration is required and space is limited. Event is now FULL .
Waltham’s open spaces are alive with birds year-round, providing breeding, wintering, and migratory habitat for more than 200 species. Learn all about it on our zoom meeting!
The Natural History of the Cornelia Warren Estate: Camp Cedar Hill, Girl Scouts of Eastern North America by Lesley Sneddon Now Available! Camp Cedar Hill is a portion of the former estate of Cornelia Warren . In keeping with her desire to maintain the land for public benefit, Ms. Warren wished to carry this tradition beyond her life by stating so in her will. After her death, the Trustees of Cedar Hill deeded five parcels of the estate among several beneficiaries, including the Massachusetts Girl Scouts (now the Girl Scouts of Eastern Massachusetts). To this day, Cornelia Warren’s legacy of philanthropy and social welfare continue to benefit the residents of Waltham and beyond.