Blackshear is a city located in Pierce County, Georgia. The city has a humid subtropical climate with hot and humid summers and mild winters. The climate is influenced by the nearby Atlantic Ocean. The city is situated on the Okefenokee Swamp and is surrounded by several lakes and rivers, including the Blackshear Lake and the Satilla River. These water bodies provide recreational opportunities for fishing, boating, and other water sports. The city also has several parks and trails for hiking and biking, including the Blackshear Trail and the Laura S. Walker State Park. The hydrology constituents of the area are important for maintaining the local ecosystem and provide a habitat for various species of wildlife.