The Estero River is a freshwater river located in southwest Florida. It flows through Lee County and empties into the Estero Bay, which is part of the larger Gulf of Mexico ecosystem. The river is approximately 6 miles long and is known for its scenic beauty and diverse wildlife. The surrounding area features a mix of residential communities and natural habitats, including mangroves and wetlands. The Estero River is popular for recreational activities such as kayaking, fishing, and birdwatching, making it an important resource for both locals and visitors who enjoy outdoor activities.