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 provides a scientific basis for assessing the current status of acoustic resources, identifying trends in resource conditions, quantifying impacts from other actions, assessing consistency with park management objectives and standards, and informing management decisions regarding desired future conditions. North Cascades National Park Complex has been working with the National Park Service Natural Sounds Program to create a baseline of the acoustic environment in the Park Complex. Park scientists are currently monitoring acoustic conditions in as many as six sites per year. Sites are chosen to cover a diverse array of vegetation types, elevations, and locations across the landscape, along with areas which are of specific management concern. In these sites, automated sound monitoring stations are deployed, which collect continuous acoustic data for 30 days. This data consists of sound pressure levels, audio recordings, and meteorological data which scientists use to determine a representative sound profile for each site location.
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.