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

    North Cascades

    National Park Washington

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  • Lone Mountain Fire - National Park Service Trail Closures

    The Lone Mountain Fire in North Cascades National Park is approximately 5 mi NW of Stehekin in the Boulder Creek drainage. Boulder Creek Trail is closed. More »

  • Closures of USFS roads and trails that access North Cascades NP and Lake Chelan NRA

    The following U.S. Forest Service trails are closed due to the Lone Mountain and Carlton Complex Fires: Twisp Pass Tr., South Creek Tr., Reynolds Creek Tr., War Creek Tr., Summit Tr. The Twisp River Rd. is closed west of Eagle Creek. More »

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.

 
 
 
 

Did You Know?

Grizzly bear track in North Cascades National Park (1989). Photo Credit: NPS/NOCA/Roger Christophersen

Grizzly bear tracks can be a reliable indicator of species? Grizzly bear and black bear forepaw tracks are distinct from one another and often times better than a photo of the bear to confirm an observation. So don't just look up, look down.