2. Greenburgh Nature Center
Take a romp through the Discovery Playground, roam the trails, and walk to the pond in search of turtles at the Greenburgh Nature Center. (Note: There is a cost to enter the Manor House.)
3. Marine Education Center
Explore the aquariums and touch tank at the Marine Education Center in Mamaroneck.
4. Muscoot Farm
See what the animals are up to and view the historic buildings and tools at Muscoot Farm in Katonah, where admission is free.
5. Teatown Lake Reservation
Explore the grounds of Teatown, with trails that are suitable for all abilities.
6. Center for the Urban River
Support local scientific research by signing up your teen (ages 16 and up) to study the Hudson River.
7. Stone Barns Center
Admission to Stone Barns Agricultural Center is free in winter.
8. Take a Story Walk
Many towns in the area offer their own version of a Story Walk, like the one at Bryant-Mamaroneck Park in White Plains, that allows you to do something in nature to stimulate a kid's love of reading.
RELATED: Free Museums and Museum Days in Westchester and the Hudson Valley
The sprawling Untermyer Gardens offers free admission and plenty of family-friendly programming. Photo by Susan Miele
9. Untermyer Gardens
Stroll the beautiful, tranquil gardens of Untermyer in Yonkers.
10. National Park Days
Benefit from free admission to select historic sites on one of the National Park Fee-Free Days.
11. Bear Mountain State Park
There’s loads to do on the grounds of Bear Mountain State Park—whether you're viewing fall foliage, sledding, or visiting the trailside zoo (there’s also much to justify the voluntary donation). A parking fee applies.
Take a stroll on the Westchester RiverWalk, which you can pick up in Tarrytown, Croton, or Peekskill.
13. See the Dinosaur Garden
Romp with the dinosaurs and stroll through the lovely gardens of Lasdon Park.
14. Learn to Ski
Take advantage of FREE (or cheap) ski programs in the Northeast. (Just note there's a processing fee.)
RELATED: Birthday Freebies for Kids: 60 Places To Get Free Stuff on Your Birthday
Spend a day enjoying the grounds at Caramoor. Photo by Gabe Palacio
Roam the gardens and have a picnic at Caramoor.
16. Pedal the Parkway
Hop on your bikes and cruise the car-free Bronx River Parkway during Bicycle Sundays from May through October.
17. Follow a New Path
Burn some calories on one of these great bike paths throughout the county.
18. Forsyth Nature Center
Explore more than two dozen animal exhibits at the always-free Forsyth Nature Center in Kingston and explore the nearby playground—one of our favorites in the Hudson Valley—while you're there.
19. Go Sledding
Go sledding in Westchester or catch some air on these Hudson Valley sledding hills.
20. Visit a Waterfall
Commune with nature on an adventure to any of these area waterfalls.
21. Play a Hiking Game
Take a hike and take in the beautiful Hudson Valley landscape, which is especially lovely in the fall. You can even play an adventure game to spice things up!
22. Walkway Over the Hudson
Traverse this breathtaking 1.28-mile-long pedestrian bridge that’s hailed as the “world’s longest elevated park.” Keep an eye out for occasional events, like stargazing.
23. Mario M. Cuomo Bridge
Further south, cross the Hudson along the Mario M. Cuomo Bridge, which features scenic overlooks and public art.
24. Try a New Playground
Be intrepid—explore a great Westchester playground you haven’t yet romped through.
25. See the Cherry Blossoms
Glory in the beauty of spring with a photo-op where cherry blossoms are in bloom.
26. Hit a Splash Pad
Cool down in one of these spray grounds and splash pads.
RELATED: 20 Free Online Games For Kids to Play Together
Skate for free on a pond in North Salem. Photo courtesy of Westchester County Parks Dept.
27. Go Ice Skating
Take a spin around an outdoor skating pond.
28. Work That Library Card
The 38 branches of the Westchester Library System offer more than just books and storytimes. There are loads of free perks, and the best events are found in our Family Activity Calendar.
29. Sign Up for the Summer Reading Game
Join the library's annual Summer Reading Game, which offers a fun way to promote reading throughout the summer. A new theme is chosen each year, with events, prizes, and challenges.
30. Grab and Go
Many libraries offer grab-and-go kits that are available for pickup on select dates.
31. Stew Leonard's
Enjoy the music and motion entertainment provided by the mechanical characters throughout Stew Leonard's. We love Chiquita Banana and the Farm Fresh Five! Free kids’ activities are offered throughout the year.
32. Hit Up the Sidewalk Sales
Check the lineup at seasonal sidewalk sales and community days throughout Westchester. In addition to shopping for bargains, FREE entertainment and activities for children are often provided as an added draw.
33. Celebrate Pride
Poughkeepsie goes all out for Pride with a festive, rainbow-and-celebration-filled parade through its streets annually in June.
RELATED: 100 Things To Do in Westchester with Kids Before They Grow Up
The Keeler family in Putnam Valley traditionally puts on a spectacular holiday light display. Photo courtesy of the family
34. Let There Be Light
Take a driving tour of Christmas light displays in Westchester and the Hudson Valley.
35. Light Up the Holidays
Join a tree- or menorah-lighting event, like the Mount Kisco Festival of Lights, with treats and fun.
36. Easter Egg Hunts
Set kids off searching for sweets at one of these local Easter egg hunts that take place each spring. Many are completely free.
37. Do Good
Kids can learn more about giving back to their local community through national events, like MLK National Day of Service
38. Neuberger Museum of Art
The Neuberger Museum of Art is admission-free, making it a great opportunity to check out cool exhibits.
39. Tarrytown Halloween Parade
The Hudson Valley is ripe with Halloween fun, and this annual parade is a crowd-pleaser!
40. Check Out a Museum Pass
Put that local library to even more good use: Many offer year-round free museum passes you can borrow.
41. Play Farmer
On Saturdays in the warmer months, visit John Jay Homestead’s Red Barn Discovery Center—and check out the grounds, which are also free to explore while you're there.
42. Visit a Children's Museum
With a new name, the Mid-Hudson Discovery Museum in Poughkeepsie continues its tradition of monthly Family Free Nights on the third Sunday of each month.
43. Discover a New Artist
Catch the changing exhibits at a local art gallery.
44. Head to NYC
Pack some snacks and meander through the streets of NYC—we've got plenty of ideas for free things to do!
45. Explore American History
For a slice of local American history, take a self-guided tour of St. Paul’s Historic Church.
46. Follow the Signs
Experience the Museum in the Streets, scavenger hunt-style, in Hastings-on-Hudson.
47. Take a Tour of West Point
Learn about military history and cadet life at the West Point Museum. Short on time: The visitors' center offers a single gallery to explore.
48. Roam the Ruins
Take a short jaunt up to Cornish Estate in Cold Spring to see ruins without having to fly to Pompeii. Yet more ruins are worth exploring at the West Point Foundry Preserve.
49. Catch a Flick
In the summertime, many local parks and venues become a stage for FREE outdoor movies.
50. See a Summer Concert
Those same parks and venues also host many free summer concerts, magic shows, and theatrical performances.
Many more FREE programs can be found year-round on our Family Activity Calendar.
This post has been updated for 2023.