Theriot, Louisiana is a small community located in Terrebonne Parish, in the southern part of the state. The area experiences a humid subtropical climate, characterized by hot and humid summers, mild winters, and abundant rainfall throughout the year. Summers are typically hot, with temperatures often reaching the 90s°F (30s°C), while winters are mild, with temperatures rarely dropping below freezing.

Theriot is surrounded by water, as it lies along the banks of Bayou Dularge and the Gulf Intracoastal Waterway. This proximity to water makes it a popular destination for fishing enthusiasts. The bayou and surrounding marshes are home to a variety of fish species, including speckled trout, redfish, and flounder. Outdoor recreation opportunities in Theriot include fishing charters, boat tours, and kayaking, allowing visitors to explore the diverse and beautiful aquatic ecosystem.

In addition to fishing, Theriot offers opportunities for birdwatching, as the area is frequented by various bird species, including herons, egrets, and pelicans. The scenic beauty of the marshes also attracts photographers and nature lovers. With its unique hydrology constituents and abundant outdoor recreation opportunities, Theriot is an ideal destination for those seeking to immerse themselves in Louisiana's natural beauty.