Designated a national park in 1985, this 14.5-acre site's limestone terraces rise up from the sea. Its cavern is home to numerous petroglyph rock-art works created by the Arawaks around AD 300, which provide an extraordinary glimpse into their life on the island. The most spectacular is a head of Jocahu, the Arawak God of Creation, carved from a stalagmite. While the park remains open, the cavern is currently closed pending Unesco-listing status; check with the National Trust for updates.
Small huts with information panels inside and out were installed in 2015, alongside basic toilet and car-park facilities; an interpretive center set in a traditional thatched structure is under construction.