Penlee Point, the coastal headland to the SW of the village of Rame in southeast Cornwall, UK, lies at the entrance of what body of water? 
Penlee Point, Rame: Penlee Point (Cornish: Penn Legh , meaning "stone-slab headland") is a coastal headland to the southeast of the village of Rame in southeast Cornwall, UK. Penlee Point, Rame:  The point lies at the entrance to Plymouth Sound. Cornwall: Cornwall ( , ; Cornish: Kernow ] ) is a ceremonial county in the United Kingdom.
Plymouth Sound