Guiwanon is an island in the Philippines under the jurisdiction of Nueva Valencia in the province of Guimaras. Major marine waterbodies adjacent to the island include Sulu Sea and Panay Gulf.

Guiwanon has an approximate area of 2.65 square kilometers or 1.02 square miles, and roughly has a coastline length of 9.93 kilometers or 6.17 miles. The island is situated at approximately 10.3925, 122.6090. Elevation at these coordinates is estimated at 30 meters or 98.43 feet above mean sea level.


  1. Land area figures and coastline length were calculated from OpenStreetMap data.
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