• View from Sourdough Mountain Overlook  A view looking down onto Diablo Lake. Photo Credit: NPS/Michael Silverman, 2010.

    North Cascades

    National Park Washington

Acoustic Monitoring Site: Park Creek

Park Creek Pass equipment on a cloudy day. Image Credit: NPS/NOCA
Park Creek Pass equipment on a cloudy day.
NPS/NOCA
 

August 2010
Twenty miles in to the backcountry, this was our most remote site. High up on a windy mountain pass, the sounds of marmot whistles mix with noises of aircraft overflights. A Search and Rescue on a nearby mountain brought increased air traffic to the area for several days.

Click each title to hear a sound recording. Click on "Sound Clips" in the navigation to return to the map.

 
 
 
 

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