Landowners near Topsham are up in arms at plans to allow parts of the River Clyst to flood local fields during high tide, to create a habitat for wading birds.
The proposal's being put forward by the Environment Agency and RSPB, who say they have a duty to re-create a habitat being lost because of rising sea levels in the Exe estuary.
Objectors say it will lead to the road across Topsham Flats flooding several times a year, lead to the loss of valuable farmland, and cause erosion and subsidence.
The environment agency says the road would be protected as part of the scheme