• 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: Sourdough Mountain

Sourdough Trail enshrouded in fog. Image Credit: NPS/NOCA/Basil Tsimoyianis
Sourdough Trail enshrouded in fog.
NPS/NOCA/Basil Tsimoyianis
 

July 2010
High above the highway, a grueling hike rewards visitors with breathtaking views of the highway corridor and the surrounding peaks. The site was located about a mile below the lookout tower, yet sounds of the highway were still audible. A thunderstorm roared through this site and echoed off the peaks and valleys.

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

 
 
 
 
 

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