The Atascosa River is a river located in south-central Texas, primarily flowing through Atascosa County. It is approximately 100 miles long and is a tributary of the Frio River. The river's course is characterized by a mix of scenic landscapes, including rolling hills and dense vegetation, making it an important natural resource in the region. The Atascosa River supports local wildlife and provides recreational opportunities such as fishing, kayaking, and hiking along its banks. Its watershed plays a crucial role in the area's ecology, contributing to the health of surrounding ecosystems and providing water for agricultural activities in the region.