• 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: Easy Pass

Monitoring Easy Pass. Image Credit: NPS/NOCA
Monitoring Easy Pass.
NPS/NOCA
 

August 2009
This site was located at Easy Pass, 3.5 miles into the backcountry from SR 20. Natural sounds of marmots and rockfalls prevailed; however, vehicles were barely audible on clear, calm nights.

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

 
 
 

Did You Know?