River Shuttle
It flows east through the parkland of Avery Hill , then crosses into the London Borough of Bexley and continues through Parish Wood Park and Hollyoak Wood Park , Willersley Park , Marlborough Park and Sidcup Golf Course , where it feeds a lake in the grounds of Lamorbey Mansion ( c . 
<triplet> Sidcup <subj> London Borough of Bexley <obj> located in the administrative territorial entity