Large group accommodation in Scotland with great views of Doune Castle. If you are looking for large group accommodation in Scotland Old Newton could be the perfect place for you! Old Newton is a small castle on the edge of the picturesque village of Doune. Ideal for groups, this self catering accommodation sleeps 12 in comfort and is a terrific base for touring the Trossachs National Park or taking day trips to Edinburgh or Glasgow. Dogs Welcome.