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

    North Cascades

    National Park Washington

There are park alerts in effect.
show Alerts »
  • Highway 20 Will Be Closed East of the Park For Culvert Repairs On Oct 21 & 22.

    Highway 20 will be completely closed between mileposts 147 & 157 (Granite Creek to Rainy Pass) from 6 a.m. Oct. 21 to 4 p.m. Oct. 22. The Easy Pass trailhead will be inaccessible during this time. More »

  • Diablo Lake To Be Drawn Down Three Feet in Oct., Trailer-Launched Boats Affected

    Diablo Lake will be drawn down 3 vertical feet for facility repairs from October 8-17. During the drawdown, boats with trailers will not be able to launch or take boats off the water. Hand-launched vessels will still be able to launch. More »

  • Cascade River Road will be open as normal through fall/winter 2014

    Cascade River Rd. will be open in 2014 until snow conditions make it impassable to vehicles, as normal. The road closure that was planned to begin September 8 has been postponed beyond 2014 due to unforeseen circumstances. 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?

Did You Know?

North Cascades National Park Service Complex includes 684,000 acres near the crest of the Cascade Mountains from the Canadian border south to Lake Chelan.