• Lush vegetation on the top of Spectacle Island's North drumlin dominates the foreground. Boston's skyline can be seen in the distance.  The park's logo with tag line minutes away, worlds apart empashises the stark contrast between the city and islands.

    Boston Harbor Islands

    National Recreation Area Massachusetts

Stewardship Saturdays

Volunteer park stewards work alongside park rangers on habitat restoration and citizen science programs throughout the year. Stewardship Saturday programs are held every Saturday-except holiday weekends-from May through October, usually from 9:00 AM to 2:30 PM. From November to April, Stewardship Saturday programs are scheduled about once a month.

Stewardship Volunteers work together on Thompson Island

Stewardship Saturday on Thompson Island

Details and Registration
Spaces are limited; registration is required. Individuals, families and small groups (up to 7) are welcome. Have a group of 8 or more? Please visit our Park Guardian page to arrange a program.

Please note that youth under 18 must be accompanied by an adult. High school age youth that wish to come on their own should contact us in advance to arrange for appropriate written permission from their parent or guardian.

Follow the links below for details and registration:

Stewardship Saturday September 6, 2014: Bumpkin Island

Stewardship Saturday September 13, 2014: Thompson Island

Stewardship Saturday September 20, 2014: Grape Island

Stewardship Saturday October 4, 2014: Bumpkin Island

Stewardship Saturday October 11, 2014: Grape Island

Check this page for additional dates, or join our park community and sign up for Stewardship & Science updates.

Stewardship Saturday crew at the end of a day at Worlds End, looking pleased with their work.

Did You Know?

Aerial View of a Glacial Drumlin in Boston Harbor

Boston Harbor Islands National Recreation Area is one of the very few places in the world where sea drumlins, glacially-formed mounds, may be found. They were formed by retreating glaciers about 15,000 years ago. More...