 The keep also has a lovely rose garden, which had served as the common haunt of Roelstra's many daughters while they had been 'imprisoned' here, and a vast archive, containing not only official documents of "athr'im" and princes, but also the personal records of five high princes and a regent of Princemarch.The oratory of Castle Crag is said to be one of the most beautiful structures on the continent.The entry doors are panelled wood set beneath a stone arch.