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video water playFlat Rock Brook is a 150-acre nature preserve and environmental education center in Englewood, NJ, just two miles from the George Washington Bridge. Visit our 3.6 miles of self-guided forested hiking trails that lead to a cascading stream, wetlands, pond and meadows. Register for one of our environmental programs for schools or the public and learn about our natural world. Come explore and learn with us!


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Introducing Erin Casella

erin casellaFlat Rock Brook is pleased to announce the addition of a new Land Manager to our team.  Erin holds a master's degree in Conservation Biology from Columbia University.  She also earned a bachelor's degree in Biological Anthropology at Drew University.  She spent time traveling extensively throughout Africa where she developed a unique skillset in conservation and environmental studies.  We are looking forward to benefitting from her expertise on our preserve and in the greater community.  Please feel free to welcome Erin to the neighborhood.  She can be reached at This email address is being protected from spambots. You need JavaScript enabled to view it. or (201) 567-1265 X 204.

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5K Run





Flat Rock Brook's 6th Annual 5K Run
Sunday, August 6, 2017

Flat Rock Brook will hold its annual 5K “Run in the Wild” trail run on August 6th.  The run begins at our visitor center and after a short street run enters the shaded and forested trails of our 150-acre preserve.  The run provides participants with the uncommon experience of trail running through a nature preserve.


Our 5K is sanctioned by the USA Track and Field Association.            2017 Sanctioned Event Logo Final


I thought it was a wonderful event! The volunteers and staff were helpful and enthusiastic, and the course was very pretty! It was a really nice event. I will definitely return next year and bring friends!
                     – 2016  runner survey respondent

Adult (ages 18 +) registration is $25 per runner, or $30 on the day of the event.

Student (ages 12-17) registration is $20 per runner, or $25 on the day of the event.

All pre-registered runners receive a “Run in the Wild” t-shirt and prizes are awarded to the first three male and female finishers in various age categories.

Proceeds from the run support our preservation and education mission.

Register today!  Race is limited to 200 runners. For more information contact (201) 567-1265.

Sponsorships are available.  Download our sponsorship information today: pptx2017_FRB_5K_Run_Sponsorship_Form.pptx

Thank you to our Gold Sponsors:

 SUEZ web logo               Logo WFM


Thank you to our Silver Sponsors:  

 Susan & Neal Klausner


BB DefineTheWay Logo

NNJCF web logo


TD Bank web logo         

 Thank you to our Bronze Sponsors:

Brown & Brown Metro, LLC                 Malesardi, Quackenbush, Swift & Company LLC


For more information contact Sandy Pinto at This email address is being protected from spambots. You need JavaScript enabled to view it.

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Summer Camp

summercamp5Summer Nature Day Camp offers hands-on discovery and adventure for children ages pre-K to seventh grade. Explore the forest, pond, and meadow through nature activities, crafts, and games.

Each age group focuses on a specific nature theme through hikes, games, crafts, stories, and experiments. For the best learning experience, each group is kept small with 10-15 children.

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Public Program

Surprise Sunday

Join our Naturalist for a surprise nature-themed adventure! From birds and bats to plants and seasons, nothing is off limits! Come dressed for the weather and ready to learn something new.

Bats Alive!

Ever wonder how bats can hunt so well at night? Want to know the newest information on White-nosed fungus? Come and join us for a fun, informative and interactive bat program! We’ll learn the biology and history of bats in our area, and then go batting!


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One of Flat Rock Brook's most popular exhibits is our aviary where we house 6 birds of prey that are all unable to be released into the wild.  Their home is now Flat Rock Brook, where our staff provides the care that they need.  Our birds act as animal ambassadors and help us teach thousands of people each year about protecting and respecting wildlife.  Help support our special birds!  Various adoption levels allow our supporters to provide food, enrichment, and enclosure maintenance for 1 month, 3 months, 6 months or 1 year.  Each level offers different benefits, such as a photo and certificate of adoption for your raptor or even a meet and greet!  Choose your raptor today!  
Visit Flat Rock Brook Adopt-a-Raptor to adopt and learn more.

Flat Rock Brook wants to recognize and extend a big "thanks" to our adopters!
Hero Level:  Rosa & Isabella Diaz, Lisa Wisotsky  
Champion Level:  Jennifer Ghahari, Erin Hoogstrate, Jill Abbott
Caregiver Level:  Lily & Beatric Gee & Esma Yetmez , Erin HoogstrateAmie Abu-Rustum,  
Friend: Captain Andy's Adventure Hour, Stephanie Seymour, Corinne Hoexter

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Flat Rock Brook offers a variety of opportunities to connect with and appreciate nature throughout the ...


Flat Rock Brook was founded in 1973 by a group of volunteers and concerned citizens with the foresight ...


Flat Rock Brook offers year-round programming for children, adults and families. We provide environmental ...


Flat Rock Brook Nature Center is a 150-acre preserve and education center on the western slope of the ...


Flat Rock Brook Nature Center relies on the dedication of hundreds of volunteers to accomplish its goals. We ...


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