The Old Croton Aqueduct is a National Historic Landmark; and the natural trail atop the tunnel is the longest, thinnest Historic State Park in New York —spanning 26.2 miles (from Van Cortlandt Park to the Croton Dam) and averaging sixty feet wide.

Stroll through our website to learn more about the Old Croton Aqueduct tunnel and trail—from its rich, 19th Century engineering history to finding your way along its long narrow path. Check our calendar for guided hikes, tunnel tours and festive events for families and Friends. We welcome your ideas and comments.

STROLL
Ramble through neighborhoods, parks, Hudson River-view stretches, even backyards! Order an Aqueduct map for historic sites and points of interest along the way.

HIKE
26.2 miles of linear trail offers a scenic and varied trek from NYC to the Croton Dam.

BIKE
From family rides to serious cycling, wear a helmet and have fun!

JOG
Whether getting in shape or training for a marathon, why head to the gym when natural beauty abounds?

LEARN
Who built the tunnel? How and when was it built? There’s so much to tell. Find Aqueduct history here.

PRESERVE
Become a Friend and help us protect, maintain and preserve “your trail” for generations to come.