Greenacre Park

New York City, New York (NY)

Greenacre Park: where the plants are fighting for light amidst NYC's rising skyline.

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Discover Greenacre Park

Tucked away in Midtown Manhattan, between towering office blocks and buzzing avenues, lies a little slice of serenity most New Yorkers and visitors walk past without ever realizing it's there. But those who know? They know. Greenacre Park is one of NYC’s best-kept secrets—an urban sanctuary where the only thing louder than the hustle outside is the waterfall inside.

From corporate lunch breaks to peaceful solo escapes, this lush pocket park has been a refuge since the 1970s. So, whether you're a seasoned local or a wide-eyed traveler taking on the city with a CityDays scavenger hunt, Greenacre Park is a spot you’ll want to stumble into on purpose.

Greenacre Park 2
- Eric Lopez

Greenacre Park: Pocket Paradise

First things first—what is Greenacre Park? Think of it as the city’s answer to a much-needed coffee break… but for your soul. At just 60 feet by 120 feet (that’s about 1/7 of an acre), it’s a classic example of a “vest-pocket park”—a term coined in the 1970s for small, thoughtfully designed green spaces created to offer relief from the urban grind.

Despite its modest size, Greenacre Park in NYC packs in a 25-foot waterfall, multi-level seating, honey locust trees, movable chairs, overhead heaters, and even a café. This isn’t just a park—it’s a perfectly orchestrated pause button in the middle of Manhattan.

Greenacre Park
- Rafael Chamorro

The History of Greenacre Park

Greenacre Park didn’t just pop up out of nowhere—it’s the result of vision, philanthropy, and a whole lot of love for New York City.

The Rockefeller Legacy

The park opened on October 14, 1971, and was the brainchild of Abby Rockefeller Mauzé, a midtown resident and proud New Yorker who wanted to give something meaningful back to the city. Inspired by sister space Paley Park, Abby dreamed of creating a peaceful spot where anyone could find a moment of quiet among the chaos. She founded the Greenacre Foundation in 1968 to make that dream a reality—and they’ve been lovingly maintaining the park ever since.

The Designer Behind the Magic

Legendary landscape architect Hideo Sasaki (yes, the one who chaired Harvard's Department of Landscape Architecture) led the design, teaming up with architect Harmon Goldstone. The pair turned what had been a patchwork of a store, garage, and part of a synagogue into one of the most relaxing corners in all of Manhattan.

Greenacre Park and National Protection Status

In 2018, Greenacre Park was officially added to the National Register of Historic Places, joining a select list of spaces considered culturally and historically significant in the U.S. That’s right—this little slice of serenity is now recognized by the federal government as a place worth preserving forever. Not bad for a park that's smaller than your average Trader Joe’s!

At a plaque-unveiling ceremony, State Parks Commissioner Rose Harvey summed it up best: “Greenacre Park allows us to maintain a regular relationship with the outdoors, recharges our souls, lifts our moods and lower our blood pressure.”

With over 200,000 visitors annually, the park is no longer the city’s best-kept secret—but it still feels like one when you’re sitting beneath the trees, a waterfall thundering softly behind you, and the rest of Manhattan fading gently into the background.

Greenacre Park 4
- Elvert Barnes

Inside Greenacre Park: Small But Mighty

If you’ve ever walked down East 51st Street and stumbled across a quiet little green space where the sound of the city melts into a gentle rush of water, congratulations—you’ve found Greenacre Park, Manhattan’s ultimate hideaway in the concrete jungle.

Though it measures just 6,000 square feet (about the size of a biggish NYC apartment… if you’re dreaming), Greenacre Park packs in more charm and thoughtful design than parks ten times its size.

Design That Thinks Big (in a Tiny Space)

Greenacre Park isn’t just a bunch of benches and a tree or two—it’s a multi-level urban retreat dreamed up by the design wizards at Sasaki, Dawson, DeMay Associates. With leading roles played by landscape luminaries Hideo Sasaki, Masao Kinoshita, and Tom Wirth, the park was a bold reinvention of what a pocket park could be when it opened in 1971.

Instead of keeping everything on one level (yawn), the designers added layered terraces, elevated seating, and leafy walkways that make the park feel like a mini rainforest nestled between office towers. A key feature is the 25-foot waterfall, which tumbles down a wall of sculpted granite, turning the space into a cool, misty oasis. Not only does it look stunning, but it drowns out the honks and sirens of Midtown traffic.

But wait—there’s more! There’s a bubbling brook trickling along the east wall, and a small fountain near the entrance that acts like a polite but persistent doorman saying, “Yes, come on in and chill.” Overhead heaters in the covered seating area mean you can sip your coffee and enjoy your lunch even when the weather decides to act up.

And speaking of coffee, Carol’s Café (sometimes known as Falls Café) is tucked right into the park and serves up coffee, sandwiches, and sweets.

Nature, By Design

True to its name, Greenacre’s plant game is strong. You’ll find evergreen shrubs, pops of seasonal flowers in decorative urns, and Boston ivy that bursts into flame (visually, not literally) every fall. Honey locust trees cast just enough dappled shade to keep things cozy while still letting the sunshine peek through.

The park’s layout invites you to explore. Whether you want to be right down by the waterfall, perch on a terrace for a birds-eye view, or just tuck into a quiet corner with a book, there’s a spot for everyone.

Honestly? It’s like someone took a slice of the Hudson Valley and dropped it right between two office buildings.

Greenacre Park 5
- Elvert Barnes

The Fight for Light: Shadows and Skyscrapers

In a city where the skyline seems to change daily, sunlight is precious—and Greenacre Park has had to fight to protect its dose of daylight.

Back in 1980, a proposed development threatened to cast the park into shadow. That kicked off the “Fight for Light,” a campaign launched by the Greenacre Foundation to protect the park’s open skies. The battle flared up again in 2017 when rezoning plans would have allowed nearby buildings to grow even taller.

While a city shadow study said the park would be fine, an independent study commissioned by the Foundation claimed otherwise.

The Foundation, supported by groups like the Municipal Art Society, New Yorkers for Parks, and local leaders, pushed back—highlighting the importance of light not just for plants, but for people. And they're not wrong. Sunshine is part of the magic here.

Greenacre Park 1
- Eric Parker

Visiting Greenacre Park: What You Need to Know

Planning a trip to Midtown and want to impress your friends with a secret garden find? Greenacre Park’s got you covered—but only during part of the year!

Opening Hours: April 1st through December

  • Daily from 8:00 am to 6:00 pm

Nearest Subway Stops:

  • E/M to Lexington Ave-53rd St
  • 4/6 to 51st St Station

A Few Heads-Ups: Greenacre Park is a privately owned public space, which means it has its own set of house rules. So, while you’re welcome to hang out, eat lunch, and zen out to the waterfall, you’ll want to check the official website before visiting—especially during holidays or off-peak times—to avoid any surprises.

Greenacre Park 3
- Elvert Barnes

Explore Beyond Greenacre Park with CityDays

Loved uncovering this Midtown gem? We've got dozens more surprises hidden around New York City—and beyond.

At CityDays, we turn urban exploration into an adventure with our scavenger and treasure hunt tours designed for team-building, date days, friend hangs, and curious wanderers. Think of them as escape rooms... minus the walls.

Solve clues, discover secret streets, learn quirky facts, and maybe even stumble on another hidden park or two. Whether you’re local to NYC or exploring somewhere new, CityDays experiences let you see the city in a totally different way.

From Manhattan to Melbourne, our outdoor games bring stories to life—and maybe even give you a reason to stop and smell the ivy.

So go ahead, take a walk on the wild side (or the side street).

Information

What you need to know

Name
Greenacre Park
Address
217 E 51st St, New York, NY 10022
Location
40.756271, -73.969276
Official Website
https://greenacrepark.org/
Tips before you visit
Map