Tweed Estuary

Site overview: This is an estuary which feeds into the North Sea. The water quality is classified as excellent throughout. Lots of fish swim through here, including the rare allis shad. Migratory Atlantic salmon and occasional river lamprey and sea lamprey also use these waters. Sandstell Point, at the mouth of the estuary, is a wide spit of clean mobile sand on which lots of crustaceans live.

Designation Status
Last Updated
6 June 2017
MPA Type
Special Area of Conservation
MPA Purpose
areas which have been identified as best representing the range and variety within the European Union of habitats and (non-bird) species listed on Annexes I and II to the Directive


55° 46' 0" North,
2° 0' 43" West

Surface Area

1.56 km2
(0.60 mi.2 )


13.45 km
(8.36 mi.)

Iconic features protected by this site


  • Estuaries
  • Intertidal mudflats and sandflats (Mudflats and sandflats not covered by seawater at low tide)


  • Sea lamprey (Petromyzon marinus)