Why not stay in a real highland castle? Carbisdale Castle Youth Hostel was built for the Dowager Duchess of Sutherland.
Loch Lomond Youth Hostel is an impressive country house set in the Loch Lomond and Trossachs National Park, with stunning views of Loch Lomond and hills to the east.
Loch Ossian is a real get away from it all, rusticstyle Eco Hostel set high on Rannoch Moor.
The hostel is set in a fine hillwalking and cycling area. Also popular here is pony trekking. You can fish the River Cree.