• Artist rendering of Pioneer Square during Klondike Gold Rush

    Klondike Gold Rush - Seattle Unit

    National Historical Park Washington

There are park alerts in effect.
show Alerts »
  • Visitor Center Closing at 1 pm

    Thursday Sept 4, 2014 the park visitor center will close at 1:00 pm.

  • Area disruptions Sept 3 and Sept 4

    Both local area streets, and walkways will be affected Sept 3 - Sept 4 by the NFL Gameday Village and Seattle Seahawks home opener. Street parking may be extremely limited and in area private lots will have higher than normal special event prices.

Environmental Factors

Environmental factors influence many of the things around us that we often take for granted including the weather, the climate, the air we breathe, the water we drink, and the areas where we play, work, and live.

Which factors can we influence and if so what may be the consequences of those changes? On the following pages we look at several topics and how they affect all those who either live or visit the Northwest.

 

Weather and Climate of the Northwest

Seismic activity along the Cascadia Fault

Mining products and impacts of the Klondike

Impacts of 200,000 feet

Did You Know?

Regrade booklet from early 1900s

Much of the Seattle waterfront, Port of Seattle, CenturyLink Field, and Safeco Park were originally tidelands, filled in during the early 20th century Seattle regrade project.