East
Brighton and Lewes Downs Biosphere Reserve: Geography and Protected Coastal Landscapes
Chalk downlands and marine ecosystems in Sussex
The Brighton and Lewes Downs Biosphere Reserve anchors a diverse range of protected habitats from the South Downs ridges to the English Channel seafloor. This mapped record details the terrestrial chalk grasslands, coastal cliffs, and rare offshore reef systems that characterize this notable biosphere reserve in Sussex. It serves as a comprehensive geographic reference for understanding the boundary between land-based conservation and marine habitat management.
- Area
- 295.14 km²
- Established
- 2014
- Visitors
- 12M annual
- Relief
- Upland

