Marmion Tower Posted on May 4, 2015 by chris.twigg Marmion Tower is the 15th-century gatehouse of a vanished riverside manor house. Entry is free. It features a fine spiral staircase An elaborate oriel window A vaulted porters lodge with large fireplace Share this: Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Share on Facebook (Opens in new window) Facebook More Share on X (Opens in new window) X