• 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.
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  • Diablo Lake To Be Drawn Down Three Feet on Sept. 17 and Early Oct., Trailer-Launched Boats Affected

    On September 17 and October 1-15 Diablo Lake will be drawn down 3 vertical feet for facility repairs. 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 »

  • Lone Mountain Fire - National Park Service Trail Closures

    The Lone Mountain Fire in North Cascades National Park is approximately 5 mi NW of Stehekin in the Boulder Creek drainage. Boulder Creek Trail is closed. More »

Glacial Contribution to Stream Flow

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
Figure 14 - Percent Glacier Runoff to May-September Runoff

Did You Know?

lupine is a common flower in dry sunny areas

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.