Discover the
history of
Lewis County

"The Mother
of All Counties"

The Lewis County Historical Society and Museum celebrates the storied history of Lewis County, Washington. Founded on December 21, 1845, Lewis County once stretched at one point from the Cowlitz River to the south and north to Sitka, Alaska. Come celebrate our rural heritage of the hop fields and timber industry to the Chehalis and Cowlitz Native American tribes.

Lewis County Historical Society Membership

Become a member of the Lewis County Historical Museum family with a museum membership! Your membership to the Historical Society family helps support historical preservation, education, and digitization programs throughout the Museum.

Join today!

Paint & Sip Party
With the Merlot Canvas

Come on down for a fun Paint & Sip party at the Lewis County Historical Museum on May 20th at 6:30 pm. Guests will be able to paint and picture of Mount Rainier and at the end of the night take it home with them! Tickets can be purchased here for $45!

For more information >>

Lewis County
Historical Society
Research Library

The research library holds countless archives and records chronicling the entire history of Lewis County.

Search records online here >>