Get relevant news and event notices.

Join Our Listserve

Help Our Cause

Your participation and generous contributions will enable us to improve the health of the Northwest Branch. 

Pay with PayPal or a debit/credit card

Upcoming Events

Green Matters Symposium

Feb. 22, 8 a.m. - 4 p.m.

Silver Spring Civic Center

Industry experts explore creative design solutions to address the challenges and opportunities of diverse  landscapes.  Relevant for the home gardener as well as for the professional landscaper.  Neighbors of the Northwest Branch is a co-sponsor.

Find out more

Spring stream cleanups

April 13, morning

Various locations and times

Coordinating the day with the Anacostia Watershed Society, NNWB volunteers will remove winter's debris from the Northwest Branch. Please help!

Find out more

Montgomery County GreenFest

Sunday, April 28, 11 a.m. - 4 p.m.

Brookside Gardens

1800 Glenallan Ave., Silver Spring

Live musicians, drummers and dancers, kids tree climbing, vendors and exhibitors, electric vehicle and car show, food trucks, more!  NNWB will have a table.  Come visit us!

Find out more

Fun in the Outdoors

Rachel Carson

Hike along the Northwest Branch where Rachel Carson once gained inspiration.

Clean Up

Bring friends and help remove litter that gushing storm water and thoughtless residents have left along and in our Northwest Branch. 

Stream Monitoring

Observe as the water quality team gathers macro-invertebrates four times a year to gauge the health of the Branch, a chilly job in the winter!