Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Battle of Zapote River, also known as the Battle of Zapote Bridge, was fought on June 13, 1899 between 3,000 Americans and 5,000 Filipinos. It was the second largest battle of the Philippine-American War. Zapote River separates what is now the city of Las PiÃ±as in Metro Manila from Bacoor in the province of Cavite. The ruins of Zapote Bridge still stands along the General Emilio Aguinaldo Highway near Manila Bay.