Acoustic Monitoring Site: Thunder Knob

Monitoring team on Thunder Knob. Image Credit: NPS/NOCA
Monitoring team on Thunder Knob.

NPS/NOCA

 

June 2010
Located near a popular day hiking trail, this site was a mix of front country and backcountry. The highway is just a mile below, and vehicle traffic is frequently audible. However, this site is not without natural sounds as well. The sound of a nighthawk performing his dive was audible here.

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

 
 
 
 

Last updated: August 11, 2017

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810 State Route 20
Sedro-Woolley, WA 98284

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360 854-7200

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