New Sarpy, Louisiana is a small community located in St. Charles Parish. It experiences a humid subtropical climate with hot and humid summers and mild winters. The area is prone to occasional hurricanes and heavy rainfall due to its proximity to the Gulf of Mexico.

Hydrologically, New Sarpy is surrounded by the Mississippi River and its tributaries, including the Bonnet Carré Spillway. These waterways provide opportunities for boating, fishing, and other water-based activities.

Outdoor recreation enthusiasts can explore the nearby Bonnet Carré Wildlife Management Area, offering hunting, hiking, and birdwatching. A short drive away is the Jean Lafitte National Historical Park and Preserve, where visitors can immerse themselves in the diverse wetland ecosystem through guided tours, boardwalks, and canoe trails. With its unique climate and abundant water resources, New Sarpy offers a variety of outdoor activities to enjoy.