Chehalis is a city located in Lewis County, Washington, in the United States. It serves as the county seat and is situated at the confluence of the Chehalis River and the Newaukum River. The city has a rich history, with its founding dating back to the late 19th century, and it is known for its small-town charm and community events. The area around Chehalis is characterized by lush forests and scenic landscapes, making it a popular spot for outdoor activities such as hiking and fishing. The city is also close to Olympic National Park and Mount Rainier, attracting visitors who enjoy exploring the natural beauty of the Pacific Northwest.