Lewis County is a county located in the state of Washington, in the Pacific Northwest region of the United States. It is situated in the southwestern part of the state and is bordered by several other counties, including Thurston County to the north, Cowlitz County to the west, and Skamania County to the south.

The county covers an area of approximately 2,436 square miles and has a population of around 80,000 people. The county seat is located in the city of Chehalis, which is also the largest city in the county.

Lewis County is known for its natural beauty, with several parks and recreational areas located throughout the county. The county is home to Mount Rainier National Park, which is a popular destination for outdoor enthusiasts and nature lovers. The park features several hiking trails, camping sites, and scenic vistas.

In addition to its natural beauty, Lewis County is also home to several historic sites and landmarks. The county is home to the Lewis County Historical Museum, which features exhibits and artifacts related to the history of the county and the Pacific Northwest region. The county is also home to several historic buildings and structures, including the Lewis County Courthouse and the Centralia Railroad Depot.

Overall, Lewis County Washington is a beautiful and historic location that offers a wide range of attractions and activities for visitors and residents alike. Whether you are interested in outdoor recreation, history, or simply enjoying the natural beauty of the Pacific Northwest, Lewis County is definitely worth a visit.