Boulter's Lock
Boulter's Lock is a lock and weir on the River Thames in England north-east of Maidenhead town centre , Berkshire . 
<triplet> Boulter's Lock <subj> lock <obj> instance of <subj> River Thames <obj> located on terrain feature <subj> Berkshire <obj> located in the administrative territorial entity <triplet> River Thames <subj> Berkshire <obj> located in the administrative territorial entity <triplet> Maidenhead <subj> River Thames <obj> located in or next to body of water