• 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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  • 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 »

Comparative Aerial Photos and Figures

Eight pairs of North Cascades photographs are featured here, with a final figure outlining glacial change on Klawatti Glacier and in the Thunder Creek Valley. Each photographic pair consists of a mid-20th century and an early-21st century photograph taken from approximately the same location. The 1967 and 1958 images were photographed by Austin Post as part of a comprehensive glacier inventory. The corresponding 21st century images were taken by John Scurlock, a local North Cascades pilot and photographer. The comparative photographs clearly show substantial changes in glacier area, and thickness.
 
Figure 17
Figure 17.  View to the west of Inspiration Glacier in fall 1967 (left, by Post) and in fall 2005 (right, by Scurlock).  Note the ice loss on the North Lobe of Inspiration Glacier.
 
Figure 18
Figure 18.  View to the west of Silver Glacier in 1958 (left, by Post) and 2006 (right, by Scurlock).  A map made in 1913 shows that the glacier covered the lake.
 
Figure 19
Figure 19.  View to the south of South Cascade Glacier in 1958 (left, by Post) and 2003 (right, by Scurlock).
 
Banded Glacier 1960-2008
Figure 20.  Banded Glacier in 1960 (left, by Post) and 2005 (right, by Scurlock).
 
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Figure 21.  Borealis Glacier in 1960 (left, by Post) and 2005 (right, by Scurlock).
 
Colonial Glacier in 1960 and 2005
Figure 22.  Colonial Glacier in 1960 (left, by Post) and 2005 (right, by Scurlock).
 
Buckner Glacier comparison
Figure 23.  Buckner Glacier in 1960 (left, by Post) and 2005 (right, by Scurlock).
 
Forbidden Glacier
Figure 24.  Forbidden Glacier in 1960 (left, by Post) and 2005 (right, by Scurlock).
 
Figure 20 and 21
Figure 25 - Thunder Creek Watershed and Figure 26 - Klawatti Glacier

Did You Know?

Junior Ranger Totem: Raven

Anyone can become a North Cascades Junior Ranger! Pick up one of the four FREE activity booklets at any of the visitor or information centers. Complete the activities and earn your official junior ranger badge! Download the booklet here. More...