Join 免费 upcoming events being held in Calumpit. Calumpit is a historic city located in the province of Bulacan, Philippines, known for its rich cultural heritage, natural attractions such as the famous Calumpit River and Bocaue River, and annual festivals like the Pulilan Carabao Festival and the Kneeling Carabao Festival, making it an ideal destination for those seeking to explore the country's rich history and natural beauty.