Two Bridges Farm

Need some fresh air? The airport has 10 nature preserves on the premises—the bulk of which are grasslands where ecologists are engendering wildflower species. Of the six natural areas open to the public, the Two Bridges Farm site is the most accessible. A small pond fringed with seminatural wetland vegetation and tall crack willows and alders occupies the lowest lying area adjacent to the Duke of Northumberland’s River. Call to inquire about tours, or e-mail heathrowenvironment@baa.com.