Great Swamp Watershed Association | Protecting our waters and our land for more than 35 years

Things to See and Do

From hiking and biking, to horseback riding and kayaking, there are countless outdoor activities to enjoy in this area. What adventure will you go on today?

Explore

Watershed Friendly Homes

Every individual home has an effect on non-point source pollution in our watershed. Learn more about what you can do to minimize your impact with our interactive home guide.

Learn

WATERKEEPER

Riverkeepers are on the frontlines of the global water crisis, using the advocacy model to stand up for everyone’s right to clean water. GSWA is the Waterkeeper Alliance Affiliate for the Passaic River.

Downstream Adventures: Troy Meadows

August 12 at 12:00 pm

Our Downstream Adventures series continues with this glacial wetlands edition! Join us in visiting Great Swamp’s “sister-swamp” -- Troy Meadows is a 3,100 acre nature preserve in Parsippany-Troy Hills. Along…

Caribbean Rum Tour

August 24 at 5:30 pm

Join us for another legendary tasting event on Thursday, August 24th. This time, we’re presenting a Caribbean Rum Tour! Taste eight different rums and finger-foods from countries in the Caribbean;…

Great Swamp Gala & Silent Auction

October 12 at 6:00 pm

GSWA is thrilled to announce that we will honor Christine Todd Whitman, former Governor of NJ and Administrator of the Environmental Protection Agency, at our 2017 Gala & Silent Auction…

All Upcoming Events

From hikes to educational workshops, GSWA offers a wide variety of environmentally focused programs. We'd love to have you join us at an upcoming event!

View All»

Featured Programs

In-School Education

GSWA is dedicated to teaching the younger generations about their impact on the watershed and river. Every year, we reach over 2,000 students through our in-school programming.

Programs

Water Quality

Every year, we publish a Water Quality Report Card to help the public understand the data we collect and the issues our watershed faces. Learn more about our recent report card.

Report Card

Land Stewardship

We steward our 53-acre deer-fenced Conservation Management Area in Harding Township by eliminating invasive species, planting native species, and optimizing it for wildlife.

Visit