Stour and Orwell Estuaries

Country/territory: United Kingdom

IBA Criteria met: A4i, A4iii, B1i, B2, C3, C4 (2007)
For more information about IBA criteria please click here

Area: 3,670 ha

Royal Society for the Protection of Birds
Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2007 high unfavourable medium
For more information about IBA monitoring please click here

Site description
The Stour estuary straddles the eastern part of the Essex/Suffolk border and comprises five main bays, whilst the Orwell is a relatively long and narrow estuary. Both estuaries support extensive mudflats and saltmarshes. The IBA supports important numbers of wintering waders and wildfowl.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Stour and Orwell Estuaries. Downloaded from on 08/02/2023.