• Olympic: Three Parks in One


    National Park Washington

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  • Olympic Hot Springs Road Closed

    The Elwha Valley's Olympic Hot Springs Road is closed to public entry beyond the Altair Campground during removal of the Glines Canyon Dam. Olympic Hot Springs is not accessible from the Elwha.

Glacial Mass Balance

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Use the interactive tool above to learn how climate affects glacial mass balance on glaciers. The animation contains two primary sections. Shifting Seasons explains how yearly snowfall patterns determine whether or not a glacier grows or shrinks in size. A Climate Indicator allows users to adjust temperatures to visualize how a glacier responds to long-term climate shifts.

Did You Know?

Mossy downed log in dense forest

The old growth forests of the Pacific Northwest produce three times the biomass (living or once living material) of tropical rain forests. More...