Compartment 12 includes a 5235m stretch of floodbank protecting Limpenhoe Marshes on the River Yare. Within this compartment there are several historical sites including the red bricked Limpenhoe Drainage Mill (Grade II listed), Red Mill (formerly a drainage mill before being converted into a house), a former Staithe, four former drainage mills, a former boat house and 18th century Ferry House Inn. Archaeological findings within the compartment include Neolithic flint adzes, site of a lime kiln and post medieval crop marks.
Improvement works for this site began in March 2008 and are due to be completed by April 2009. Most of the works involve floodbank strengthening as well as stretches of setback.
There are good opportunities for walking within the compartment as a pubic footpath runs along the entire length of the floodbank. The Weavers Way long distance footpath also crosses the River Yare at the Reedham Ferry and follows the river downstream to Reedham village. Another footpath links the higher ground of Limpenhoe village and the footpath along the floodbank at the upstream boundary of the compartment. Bird watching opportunities are also good within the compartment along the riparian corridor of the River Yare.
There is little fishing activity within this compartment due to the salinity of the water at the downstream end of the River Yare; however, occasional boat fishing takes place along the bank upstream of the Reedham Ferry Inn pub. The piling at the pub is used for mooring and there are also private moorings by the Red Mill.