Great Swamp Watershed Association
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About Us
The Great Swamp Watershed Association is dedicated to protecting and improving the water resources of the Passaic River region, from the Great Swamp headwaters to Newark Bay, for present and future generations. Through education, advocacy, science, land preservation and stewardship, in collaboration with partners, we work to instill our communities with an awareness of water’s effect on health and the beauty of the environment, from source to sea. Please register for all events online at www.greatswamp.org, or by calling 973-538-3500.
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Contact Information
568 Tempe Wick Road
Morristown, NJ 07960
Call 973-538-3500
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Saturday May 9 10:00am - 3:00pm EDT
Passaic River Cleanup
Team-up with Great Swamp Watershed Association (GSWA) and Roots & Shoots for our first-ever full Passaic River cleanup in honor of world-renowned environmentalist and conservationist, Jane Goodall! We’ve identified multiple local parks and dry land sites along the Passa......More
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Wednesday May 13 8:00am - 9:30pm EDT
Breakfast Briefing: Secrets in the Stream: Fin-tastic Fish of the Passaic
Celebrate World Fish Migration Day early with a deep dive into the hidden world of the Great Swamp and the Passaic River. Most of the time, our local fish stay tucked away beneath the surface, but they have incredible stories to tell about the health of our watershed. O......More
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Thursday May 14 4:00pm - 5:30pm EDT
Session 1: Spring Birding Paddle
Come out and enjoy the sights along the beautiful banks of the Passaic River as we paddle the headwaters region of the Great Swamp and look out for spring migrants. This area is full of wildlife, native vegetation, and beautiful views. There are 7 spots available per se......More
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Thursday May 14 6:30pm - 8:00pm EDT
Session 2: Spring Birding Paddle
Come out and enjoy the sights along the beautiful banks of the Passaic River as we paddle the headwaters region of the Great Swamp and look out for spring migrants. This area is full of wildlife, native vegetation, and beautiful views. There are 7 spots available per se......More
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Sunday May 17 6:00pm - 10:00pm EDT
9th Annual Great Swamp Great Music After Dark
Extend the weekend vibes! Back by popular demand – We’re back at the trendy Homestead Bar and Kitchen in Morristown for our 9th successful year of Great Swamp Great Music… After Dark. Skip the Sunday meal prep and join a community that’s been showing up for clean water......More
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Sunday May 31 6:00pm - 7:30pm EDT
Blue Moon Hike at the Refuge
Experience the Great Swamp like never before under the rare glow of a Blue Moon. While the moon won’t actually change color, this celestial event occurs when a single calendar month—in this case, May 2026—features two full moons instead of one. Because the lunar cycle i......More
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Tuesday June 2 5:30pm - 7:30pm EDT
Nature Journaling Hike
Nature journaling is a centuries-old practice used to record observations, changes and data about the world around us. It is also a way to build observational and relational thinking and curiosity. We will wander through the CMA, pausing several times to collect our obs......More
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Sunday June 14 12:00pm - 2:00pm EDT
Fundraiser: 45th Anniversary Summertime Afternoon Tea
Join the Great Swamp Watershed Association in celebrating our 45th Anniversary at our Summer Tea Party Fundraiser. This special event is a vital fundraiser dedicated to supporting GSWA’s mission of protecting our water and preserving our natural world. The celebration w......More
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Tuesday June 16 8:00am - 9:30pm EDT
Breakfast Briefing: Plastic Pellet Pollution Survey
The plastic problem starts long before a bottle hits the recycling bin—it begins with nurdles. These tiny plastic pellets are the building blocks of almost every plastic product, but they often end up in our waterways instead of a factory. Come out to enjoy a light brea......More
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Thursday June 25 7:30pm - 9:00pm EDT
America’s 250th Celebration Firefly Hike
Come experience nature’s own fireworks display with the brilliant flickers of fireflies. This is a fun way to get in some evening steps while we explore the fascinating lives and behaviors of our glowing friends just one week before the bigger, brighter, fireworks of ou......More
