Fort Langley National Historic Site is 6.5 kilometres (4 mi.) north of Langley off Hwy. 1 at 23433 Mavis Ave. On the bank of the Fraser River, the 19th-century Hudson's Bay Company trading post was an important supply link in the company's network of fur trading forts west of the Rockies. British Columbia was proclaimed a colony at the site in 1858. Learn More...