Post Office – Crianlarich, Tyndrum – Opening Hours & Branch Details Post Office occupies a location on George A Brodie And Co, about a 4.79 mile drive north-west from the centre of Crianlarich (by Tyndrum Lower Station). This branch is situated in a convenient location for customers from Upper Tyndrum, Clifton, Tyndrum Lower, Ardormie, Corie Challain and Tyndrum. It is open today (Friday) from 9:30 am until 1:30 pm. Here, on this page, you will find additional information about Post Office Crianlarich, Tyndrum, including the working times, address info and phone info.