Fell Beck
Beyond the village of Clapham , Clapham Beck flows into the River Wenning , which in turn flows into the River Lune and thence to the Irish Sea . 
<triplet> River Wenning <subj> River Lune <obj> mouth of the watercourse <triplet> River Lune <subj> River Wenning <obj> tributary <subj> Irish Sea <obj> mouth of the watercourse <triplet> Irish Sea <subj> River Lune <obj> tributary