This cheat for Fable III [XBOX 360] has been posted at 27 Oct 2010 by cGub and is called "Gold Key Locations". Also 1 users added this cheat at them cheatbooks. If cheat is usable don't forgot thumbs up cGub and share this with your freinds. And most important we have 9 other cheats for Fable III, look them as soon as possible!
If you examine the map of Mistpeak Valley, you can make out two caves entrances above the Demon Door and one on the far side of the level up in the hills. Travel to the latter cave -- you can get there by running uphill from the lake and hanging a left just before the path to Brightwall Village. You can follow a grassy ridge past a treasure chest to find this cave entrance to Chillbreath Cavern -- it is not an icy entrance, it is a thawed, brownish cave entrance. Run through this cave and take the path leading upwards. You should pass a 15 Silver Key chest on the way amongst various other Dig Spots and chests. Keep heading uphill and eventually you'll come to an exit at the very top. Once outside again, run down the short hill and you'll find the Gold Key floating amongst some ruins.
Aurora Gold Key
To get this Gold Key, first you need to have access to the Aurora continent. In the city, do the quest "A Key to a Greater Key." This quest became available to me after completing the main game. Talk to the guy who offers the quest, and he'll sell or give you a key. Once you have that key, there won't be a bread crumb trail telling you where to use it. Go to the desert area and run across the vast dunes. On the far side, turn left and follow the cliff face until you find a little path down. At the bottom, use the key given to you and you will unlock an area that contains the Gold Key.
Bowerstone Castle Gold Key Door
On your way down the path in the Catacombs under the castle (which you traverse in the very beginning of the game), you may notice a Gold Door -- you need a Gold Key to open it, and so you'll have to return much alter when you have access to the castle AND a key. Inside you'll find 30 Guild Seals.
Sunset House Gold Key Door
In the Sunset House area, enter the main gate and take a right as soon as you set foot on the lawn. A winding path leads back to the Gold Key Door here. It's directly across from the gazebo. Inside this Gold Key Door you'll find a unique weapon (we found the Hammer of Wilmageddon).