Diana, Princess of Wales Memorial Walk

The Diana,Princess of Wales Memorial Walk is a 7-mile (11 km) long circular walking trail in London dedicated to the memory of Diana, Princess of Wales. It goes between Kensington Gardens, Green Park, Hyde Park and St. James's Park in a figure-eight pattern, passing five sites that are associated with her life: Kensington Palace, Spencer House, Buckingham Palace, St. James's Palace, and Clarence House.

More information on the Wikipedia page.