Post Office – Glenfinnan – Opening Hours & Branch Details Post Office sits on Glenfinnan House Hotel, about a 0.28 mile drive south-west from the centre of Glenfinnan (near Hotel). The branch provides service mainly to the districts of Glenfinnan Town Centre, Lochailort, Tarbet, Arienskill, Polloch, Scamadale and Inverailort. Unfortunately, it won’t be open today (Friday). Refer to this page for information on Post Office Glenfinnan, including the operating hours, directions, direct number and more.