Acoustic Monitoring Site: Easy Pass

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



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.


Contact the Park

Mailing Address:

810 State Route 20
Sedro-Woolley, WA 98284


(360) 854-7200

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