Lighthouse Gold Inc. engages in the acquisition, exploration, and development of resource properties in Guyana. The company primarily explores for gold. It owns interest in the Tassawini property and the Harpy property located in Guyana. In addition, it holds interest in the Purini property located in Guyana. The company was formerly known as Alerio Gold Corp. and changed its name to Lighthouse Gold Inc.in December 2025. Lighthouse Gold Inc. is headquartered in Vancouver, Canada.