A three hour walk along the Lea Valley, starting from Three Mills and ending at St. James Street.
Points of interest on the route include The Greenway (Olympic Park viewpoint), River Lea Navigation, Old Ford Lock Keeper's Cottages, Middlesex Filter Beds, Lea Bridge Sluices, Walthamstow Marshes, and Coppermill Lane (Thames Water Resevoirs).
Official Website: http://bit.ly/river_lea_vale_walk
Added by LoopZilla on July 30, 2009