



🪖Tunnels date back to early 1900s training facility
🦟Bring strong bug repellent
🚴Bike trails are better maintained than walking paths
Blauvelt hides a secret: miles of underground WWI training tunnels now covered in colorful graffiti. Above ground, the trails offer easy hiking and mountain biking through quiet woods.
WWI underground tunnels
Historic graffiti walls
Mountain biking trails
Hidden local history




🪖Tunnels date back to early 1900s training facility
🦟Bring strong bug repellent
🚴Bike trails are better maintained than walking paths
Blauvelt hides a secret: miles of underground WWI training tunnels now covered in colorful graffiti. Above ground, the trails offer easy hiking and mountain biking through quiet woods.
WWI underground tunnels
Historic graffiti walls
Mountain biking trails
Hidden local history