Trinidad Lake is a reservoir located in Las Animas County, Colorado. It is located just south of the city of Trinidad, and is the main source of water for the city. The lake was created in the early 1960s by the construction of a dam on the Purgatoire River. The lake is a popular destination for fishing, boating, and camping. It is home to a variety of fish species, including largemouth bass, crappie, catfish, and walleye. The lake also offers a variety of recreational activities, such as swimming, hiking, and bird watching. The lake is surrounded by the Comanche National Grassland, providing visitors with stunning views of the surrounding landscape.