Highlights stirling castle callander the trossachs rob roy country nature trail walk loch lomond inclusions transportation by top of the range mercedes minicoach for a more personal experience with a maximum of 16 passengers on tour we believe a small group tour with a maximum of 16 passengers really does make a big difference to your trip it allows us to give you a more personal service and remain the only 5 star operator to offer this personal guarantee touring with a maximum