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.
Discover the History of Lewis County
Join us in preserving history
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.
Visit our ho model RR
Come on down to the Lewis County Historical Museum to see our ever expanding HO model RR layout. This has been a labor of love by the Lewis County Model RR Club. It depicts Lewis County’s major rail stops during the 1970’s.
ho Model Train layout
Visit our Historic Archives
Historical Society Research Library
The research library holds countless archives and records chronicling the entire history of Lewis County.
Watch the trains go by
View live streaming of the trains that travel by the Lewis County Historical Museum. Brought to you by Virtual Railfan.
24/7 Live Feed
Mark your calendars for The Chehalis Flying Saucer Party, September 13 & 14. Click here for more info.