Rio Hondo is a river located in the northeastern part of the state of Texas, USA. It flows through Hidalgo County and is a tributary of the Rio Grande. The river is approximately 30 miles long and plays a role in the local ecosystem and agriculture. The surrounding area of Rio Hondo is primarily rural, with agriculture being a significant part of the economy. The river provides water for irrigation and supports various wildlife species. The community of Rio Hondo, which shares its name with the river, is a small town that offers a glimpse into the region's culture and history.