Interactive Map

Browse all SSSI sites on a zoomable map. Click any site to read its full description, habitats and species.

Geological Timeline

See how many sites mention each geological period — from Archaean gneisses to Quaternary glaciation.

Nearest Sites to a Point

Click a map or enter coordinates to find the 10 closest SSSI sites, with distance and bearing.

Search by Word or Term

Search all site descriptions for any geological, ecological or species term.

National Parks

Explore SSSI sites within each of the UK's National Parks.

National Trails

Find protected sites along England's long-distance National Trails.

Scenic & Landscape Areas

Browse SSSI sites within Areas of Outstanding Natural Beauty and National Scenic Areas.

Wild Land Areas

Explore Scotland's remote wild land areas and the protected sites within them.

Plant Communities

Browse NVC plant communities, identify habitats and find associated species.

Migratory Birds

Filter SSSI sites by season or search by species to trace which protected sites matter for birds.

Migratory Fish

Explore SSSI sites linked to salmon, lamprey, eel, shad and other migratory fish.

Landscape Processes

Filter SSSI sites by geomorphological process — coastal, glacial, karst, fluvial, volcanic or peatland.