Harrison, Georgia experiences a humid subtropical climate with hot summers and mild winters. The area is characterized by dense forests and wetlands, creating a diverse hydrology system. The Flint River and its tributaries flow through the region, providing ample opportunities for fishing and kayaking. Additionally, the area is home to several parks and wildlife management areas, including the Flat Creek Public Fishing Area and the Ocmulgee Wildlife Management Area. Visitors can also enjoy hiking, camping, and birdwatching in these natural areas. Overall, Harrison offers a unique outdoor experience with its abundant water resources and diverse ecosystem.