Historic Thames Waterfronts. A walk from North Greenwich to historic Greenwich and its Park & London viewpoints, before crossing the river to London’s old docklands and towers of Canary Wharf, rejoining the waterfronts and Thames Path into central London to St James Park. This route can be joined at the start or along the route at Greenwich at 12:15pm (11 mile option) or Canary Wharf at 14:15pm (6mile option)