Earth Week: Biodiversity Walk in the Alewife Brook Reservation

On Monday, April 20th Green Cambridge will be hosting a guided walk in the Alewife Brook Reservation highlighting the natural biodiversity while instructing participants on how to upload observations using iNaturalist and participate in the upcoming City Nature Challenge Bioblitz!

Event Details:

• Event: Biodiversity Walk in the Alewife Reservation
• Location: Alewife Reservation DCR Parking Lot, 2-8 Acorn Park Dr., Cambridge, MA
• Date: April 20th, 2026 at 10:30 AM (Eastern Time)

Don't miss this opportunity to connect with nature and one another while discovering the wonders of biodiversity right in your backyard.

Learn more about iNaturalist here!

Learn more about the Boston City Nature Challenge here!

Stay informed and sign up for our Volunteer Interest Form here!

Please arrive with a fully charged smart phone with the iNaturalist app installed, water and weather appropriate clothing.

Know what’s Happening Next — before everyone else does.

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Host or Publisher Green Cambridge