• 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 »
  • State Route 20 closed at Mile Post 134, Ross Dam

    After a brief closure at Newhalem due to an avalanche and unstable conditions, SR 20 has re-opened to its normal winter closure point at MP 134, Ross Dam. The highway will remain closed from Ross Dam to MP 171 (Silver Star Creek) until spring re-opening. More »

  • Ross Dam Haul Road Closure Continues

    A short segment of the Ross Dam Haul Road between the Diablo Lake suspension bridge and the tunnel remains closed to public use due to continued recovery following a March 2010 landslide. The closure will remain in effect through 2014. More »

  • Notice of planned work for the Cascade River Road, fall 2014

    Visitors planning to access the park via the Cascade River Road after Labor Day should be advised that the Park Service is planning a fall closure of this road at Eldorado Creek (3 miles before the end of the road) in order to perform permanent repairs. More »

Acoustic Monitoring Site: Rainbow Loop Trail

Monitoring equipment at Rainbow Loop. Image Credit: NPS/NOCA
Monitoring equipment at Rainbow Loop.
NPS/NOCA
 
Bear damage to equipment at Rainbow Loop Trail. Image Credit: NPS/NOCA

Bear damage at Rainbow Loop Trail.

NPS/NOCA

July 2009
The Rainbow Loop site was located off the popular Rainbow Loop trail in Stehekin. Natural sounds were most evident at this site, although helicopter noise was present due to fires in the area. During the site deployment, a curious bear knocked over the equipment and tore the microphone windscreen.


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

 
 
 
 
 
 
 

Did You Know?

Cascading stream

The North Cascades are well known for the abundant waterfalls that lace the mountains. Two of the best known waterfalls are Gorge Falls between Newhalem and Diablo along State Route 20 and Rainbow Falls in the Stehekin Valley.