Passengers have the option to explore Inveraray Castle where the Duke of Argyll and his family live today (tickets can be purchased on the day). Breath in the clear Highland air on a stroll around the parkland, woodland and gardens, which are resplendent with rainbows of the azaleas and rhododendrons that flourish in Argyll in summertime. (Please note the castle is only open April - Oct, Thurs - Mon. it is closed every Tues & Wed.