National Park Week, from April 18-26, celebrates America’s national heritage by helping citizens discover the national parks around them.

In Washington, this includes Mount Rainier National Park, North Cascades NP, Olympic National Park and more.

While the normal cost to enter the parks is approximately $15, for the first weekend of National Parks Week admission will be free.

April 18-19 national parks in Washington State will be free.

For more information about National Park Week, please visit the National Parks Service at http://www.nps.gov/npweek/.