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Interstate 5 Bridge Collapse Detour
I-5 is closed in both directions in Skagit County south of Burlington. WSDOT has published the following detour map. Also consider State Route 530 through Darrington from the south or State Route 9 from Bellingham and the Lower Mainland to reach the park. More »
Glacial Contribution to Stream Flow
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Figure 14 lists the annual amount of runoff from the glaciers monitored. It is interesting to note that the amount the glaciers melt varies by as much as 50% from year to year. Furthermore, the glaciers provide a greater amount of water during years when snow pack is minimal. Thus, glaciers buffer streams, lakes and wetlands from droughts.
Figure 14 - Percent Glacier Runoff to May-September Runoff
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Did You Know?
In addition to Wilderness, Recreation Areas and National Park designations there are also five Research Natural Areas in the complex: Silver Lake, Pyramid Lake, Boston Glacier, Stetattle Creek and Big Beaver Valley.