Pat Mayse Lake is a reservoir in the Prairies and Lakes region of Texas, United States. It is in Lamar County near the towns of Chicota and Powderly. Paris, Texas is the nearest major city.The lake is managed by the United States Army Corps of Engineers. It is stocked with largemouth bass, white crappie, sunfish, striped bass, channel and flathead catfish, and other common fish species. Nearby hunting areas are also managed for upland game and whitetail deer and are open to the public.