FORTRESS HILL RUIN PHOTO GALLERY. Fortress Hill, or Fortaleza, is a ruin built on top of a hill on the outskirts of Gila Bend, on the edge of the Gila River. Clearly built for defense. For more information, click HERE. Click on the first thumbnail to see larger image. Use controls at bottom of each large image to start slide show or go through manually or with arrow keys.

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