Monumental Energy Corp. an exploration stage company, engages in the acquisition and exploration of mineral properties in Chile. The company primarily explores for cesium and lithium. It has an option to acquire 75% interest in the Laguna Project that is located near the town of San Pedro de Atacama, Chile; and a 50.01% interest in the Turi project located in the Lithium triangle northeast Chile. The company also invests in oil and gas extraction. The company was formerly known as Monumental Minerals Corp. and changed its name to Monumental Energy Corp. in November 2023. Monumental Energy Corp. was incorporated in 2020 and is headquartered in Vancouver, Canada.