Lynden is the second largest city in Whatcom County, Washington, United States. It is 15 miles (24 km) north of Bellingham and approximately 5 miles (8.0 km) south of the Canada–US border. The city was established in 1874 near the site of the Nooksack Indian village Squahalish (Nooksack: Sqwehálich).

The city is located along the Nooksack River and State Route 539. The population of Lynden is roughly 14,259 according to the United States Census Bureau. Lynden is also home to the Northwest Washington Fair.

Lynden was begun^{[clarification needed]} in 1871 and usual in 1874 by Holden and Phoebe Judson near the site of the Nooksack Indian village Squahalish (Nooksack: Sqwehálich). It was named by Phoebe Judson after the riverside town in Hohenlinden, a poem by Thomas Campbell. According to her book, A Pioneer’s Search for an Ideal Home, she distorted the spelling of “Linden” to be more visually appealing. Lynden was officially incorporated as a city on March 16, 1891.^{[citation needed]}

The city lies in a expansive valley formed by the Nooksack River, which empties into reachable Bellingham Bay. The surrounding area is filled in imitation of dairy, raspberry, strawberry, and blueberry farms. The region wise saying significant Dutch immigration in the in front and mid 1900s, spurring the accumulation of dairies. The city pays homage to its Dutch stock through the design of buildings upon Front Street and local businesses with “Dutch” names and products. In the into the future 21st century, the population has approximately doubled in size, with Dutch physical more predominate than other ethnic ancestry.^{[citation needed]}

In 2005, the drug smuggling tunnel was discovered in Lynden, built by a band of Canadian smugglers in the basement of a dwelling 5 miles (8.0 km) north of Lynden along the Canada–US border. This is the isolated known drug tunnel along the US-Canada border.^{[citation needed]}