Waterproof, Louisiana is a small town located in Tensas Parish in the northeastern part of the state. The town experiences a humid subtropical climate characterized by hot, humid summers and mild winters. Summers often see temperatures reaching the mid-90s°F (mid-30s°C), while winters are relatively mild with temperatures averaging in the 50s°F (10-15°C). The area receives abundant rainfall throughout the year, contributing to the lush vegetation and fertile soil.

Waterproof is surrounded by a network of rivers and bayous, making it a hydrologically rich region. The Tensas River and Lake St. Joseph are prominent water bodies in the area, offering fishing and boating opportunities. The hydrology constituents of the region include different fish species, such as bass, catfish, and crappie, making it a popular spot for anglers.

For outdoor enthusiasts, Waterproof provides various recreational opportunities. The Tensas River National Wildlife Refuge nearby offers hiking trails, bird watching, and hunting activities for deer, turkey, and small game. Additionally, the town's proximity to the Mississippi River provides opportunities for water sports like kayaking and canoeing. The area's natural beauty and diverse wildlife make it an appealing destination for nature lovers and outdoor recreation enthusiasts.