Bikes by the tunnel.

[RAD DYNO]

Lynchburg, Black Water Trail

 

[MattiThundrrr]

Nice Mooneye! Cool thread idea too, but it's going to be tough. I can't think of any tunnels where I cycle

 

[maico692]

How about this for a bicycle tunnel picture ??

 

[maico692]

Or this ??

 

[rickpaulos]

George Mickelson Trail South Dakota.

Big Savage tunnel Greater Allegheny Passage rail/trail.

 

[One-eyed Sailor]

I'm loving these