The Ruins of Greystone Castle

From publisher blurb: The remains of a huge crumbling castle, set in a bleak landscape. The castle sits above a vast dungeon. A printable rpg battlemap compatible with any RPG/Dungeon-Crawl or skirmish game. Use as a standalone gameboard, or combine with any same-scale tileset. The map is 50x50, equivalent to 25 of our standard 10x10 tiles. Contents: The ruins of a large castle, crumbling to rubble. The remains of a large castle, great hall, church and gatehouse can be made out.