Cog Railway webcam w/ audio
 

Hey there ..... here's something new, apparently the webcam at www.thecog.com .... click on CogCam ..... now has audio and you should be able to hear the sound of the wind blowing down Mt Clay and Mt Washington, or the shrill engine whistle announcing their passenger train and other nearby sounds.

Nice thought but video was unavailable when I tried

Working Now
 

The video is working now. Not much to see and hear at the moment, just a employee running a snowblower.