Lochs Duich, Long and Alsh Reefs SAC

Status: Designated


Site overview

This is an important area for sheltered reefs, with a range of sea anemones, sponges, ascidians and brittlestars. This site is also home to horse mussel beds.  There is also another Marine Protected Area here too, which protects the mussel beds.

MPA Type

Special Area of Conservation

Special Areas of Conservation (SACs) are strictly protected sites designated under European legislation. They contribute both to the UK MPA network and set up to protect habitat types and species considered to be most in need of conservation at a European level (excluding birds).

Designation date

1 June 1999

Surface Area

23.74 km2 (9.17 mi.2)


120.89 km (75.12 mi.)

  • Reefs

    Areas where the bedrock, stable boulders and cobbles or structures created by animals arise from the surrounding seabed. They attract and provide a home to a huge variety of plant and animal life.

Did you know?…

Over half a million people have voiced their support for ‘marine protected area’ designation in the UK through our campaigns

Over 500,000 records on undersea habitats and species have been collected by volunteer Seasearch divers providing significant evidence for inshore ‘marine protected areas’

An area over 9 times the size of Wales is now in marine protected areas in the UK, but less than 1% is considered by MCS scientists to be well managed