Hesketh Bank
It lies to the north-east of the town of Southport on the Irish Sea estuary of the River Ribble . 
<triplet> Southport <subj> River Ribble <obj> located in or next to body of water <triplet> Irish Sea <subj> River Ribble <obj> tributary <triplet> River Ribble <subj> Irish Sea <obj> mouth of the watercourse