Aboyne Castle
... that the location of Aboyne Castle was selected for its strategic position near the Dee and controlling the northern end of one of the Mounth crossings?
... that the location of <b id="mwD-0"><a href="./Aboyne_Castle" id="mwD-4" rel="mw:WikiLink" title="Aboyne Castle">Aboyne Castle</a></b> was selected for its strategic position near the <a href="./River_Dee,_Aberdeenshire" id="mwD-8" rel="mw:WikiLink" title="River Dee, Aberdeenshire">Dee</a> and controlling the northern end of one of the <a href="./Mounth" id="mwD_A" rel="mw:WikiLink" title="Mounth">Mounth</a> crossings?