• 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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  • Diablo Lake To Be Drawn Down Three Feet in Early Oct., Trailer-Launched Boats Affected

    Diablo Lake will be drawn down 3 vertical feet for facility repairs from October 1-15. 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 »

Grasses

Grass and grass-like plants include the true grasses (family Poaceae), rushes (family Juncaceae) and sedges (family Cyperaceae).

These plants all have tiny, simple flowers and are wind pollinated. They occupy a variety of habitats from low elevation wetlands to dry wind blown mountain ridges.

Within the North Cascades, true grasses include approximately 150 species half of which are native. Of the species that are non-native, the worst invader is reed canary grass (Phalaris arundinaceae). It can be found in wetlands, on lakeshores, and river edges.

Rushes and sedges are invaluable for their ability to stabilize stream banks, filter sediments, and along with many true grasses they provide habitat and food for numerous animals and other organisms.

Did You Know?

Did You Know?

Stephen Mather Wilderness comprises 93% of the North Cascades National Park Service Complex. About 400 miles of trail provide access to this rugged Wilderness.