Events

GSWA Fall Colors Paddle

SOLD OUT - Fall Colors Paddle (10 AM-12 Noon)

October 1 at 10:00 am
A reminder email is going to participants. We are watching the weather forecast and will make a final decision based on the Friday, noon forecast. Another email will be sent…
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GSWA Fall Colors Paddle

SOLD OUT - Fall Colors Paddle (12:30-2:30 PM)

October 1 at 12:30 pm
A reminder email is going to participants. We are watching the weather forecast and will make a final decision based on the Friday, noon forecast. Another email will be sent…
REGISTER»
Community Stewardship at CMA

Community Stewardship at the CMA

October 10 at 9:00 am
Are you looking for someplace to put all that elbow grease? Don't mind a little dirt under your nails? Join us for a morning of stewarding the land at our…
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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!
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Land Stewardship

GSWA receives national accreditation and is one of only eight New Jersey groups to achieve this designation! GSWA’s vision supports the protection, preservation and promotion of NJ’s open spaces.

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Things to See and Do

From hiking & biking, to horseback riding & kayaking, there are countless outdoor activities to enjoy in this area. What’s your adventure today in New Jersey’s great outdoors?

Explore

Eco-Friendly Living

Every individual home has an effect on non-point source pollution in our watershed. Use our interactive home guide to lean how you can minimize your impact and help keep our watershed healthy.

Learn

WATERKEEPER®

The Riverkeepers are the primary voice using the advocacy model to stand up for clean waterways. GSWA is proud to be the Passaic River Waterkeeper Alliance Affiliate, protecting the source to sea.

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Featured Programs

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In-School Education

GSWA is dedicated to teaching the younger generations about their impact on the watershed and river. Every year, we reach over 3,000 students through our in-school programming.

Programs
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Water Quality

Every year, we publish a Water Quality Report Card about the prior year to help inform the public about the data we collect and the issues our watershed faces.

Report Card

New GSWA Video

The Passaic: One River, One Community

The Passaic: One River, One Community

Watch our new, 4-minute video that takes you on a journey down the Passaic River from its headwaters in Mendham to Newark Bay where the river meets the sea. Learn more about what we do, how we do it, and why we do it.
Watch Video

GSWA Partner Events

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GSWA Partner Events

GSWA and its partners in our historic watershed and across the Passaic River region are excited to provide you with a listing of free-to-the-public environmental events happening locally.
For inclusion please contact info@greatswamp.org.
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Featured Event

2022 GSA Gala Event

You are cordially invited to the Gala & Silent Auction Tuesday, October 18, 2022

Let’s come together at our annual GALA CELEBRATION to hear an important presentation by Olivia Glenn, building on the Gala’s theme, Environmental Justice. It’s an evening of good food & drink, mingling with environment friends, & browsing our Silent Auction.
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Publications

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GSWA Fall 2022 Newsletter

Community Organizes to Create the Mendham Alliance for Preservation and Conservation. By Frank Zammataro, Guest Author. Re-zoning sparks a call for transparency and balance in accelerated growth plan. What do you do when you hit a brick wall at Town Hall? “You get organized!” says Frank Zammataro…
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