Wyville Thomson Ridge

Site overview: This site gets its name from a rock ridge situated in the Atlantic Ocean at the northern end of the Rockall Trough. It is approximately 20km wide and 70km long. It is thought to have been formed by the ploughing movement of icebergs through the seabed at the end of the last ice age. Sponges, cup and soft corals, featherstars, brittlestars, sea urchins, sea cucumbers and sea spiders all live here.

Designation Status
Last Updated
6 June 2017
MPA Type
Site of Community Importance
MPA Purpose
Sites which have been adopted by the EC, but not yet formally designated by governments of Member States are known as Sites of Community Importance (SCIs)


59° 58' 25" North,
6° 42' 54" West

Surface Area

1,740.78 km2
(672.12 mi.2 )


212.20 km
(131.85 mi.)

Iconic features protected by this site


  • Reefs
  • Reefs (Annex I habitat)