Main Page | See live article | Alphabetical index Caballo is an island in the entrance to the Philippines' Manila Bay. Caballo, along with the larger Corregidor (2 km to the north), separates the harbor entrance into a northern and southern channel. It is doubtful that Caballo measures even 5 km² in area. This was the location of Fort Hughes. See also: Geography of the Philippines This article is a stub. You can help Wikipedia by expanding it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.