Fertile, Iowa is a small town located in Worth County. The town experiences a humid continental climate with warm summers and cold winters. The hydrology constituents of the area include the Winnebago River, which flows through the town, and several lakes and ponds in the surrounding area. Outdoor recreation opportunities in Fertile include fishing, boating, and kayaking on the Winnebago River and nearby lakes. The area also has several parks and trails for hiking and biking, including the Winnebago River Trail and the Fertile City Park. Overall, Fertile provides a serene and peaceful natural environment for residents and visitors alike.