 From Sant Antoni, Coniera appears to be almost hope-lessly inhospitable, but a tiny hidden harbour makes it possible for boats to moor here.
Only small boats are able to moor at the hidden harbour.
mnli hypothesis: Only small boats are able to moor at the hidden harbour. premise:  From Sant Antoni, Coniera appears to be almost hope-lessly inhospitable, but a tiny hidden harbour makes it possible for boats to moor here.