Gran Chaco is a region in northern Argentina that is primarily composed of dry forests and savannahs, with limited opportunities for diving due to the lack of water bodies.

While there are some rivers and wetlands in the area, they are not commonly used for diving, and there are no established dive centers or operators in the region. Therefore, it's not recommended to plan a diving trip to Gran Chaco specifically.

However, if you're interested in exploring the region's unique natural landscapes and cultural heritage, there are other activities and attractions to enjoy, such as birdwatching, hiking, and visiting indigenous communities. The region is also home to several national parks, including El Impenetrable National Park, which is known for its biodiversity and conservation efforts.

In summary, while Gran Chaco may not be an ideal destination for diving, there are still plenty of opportunities to explore and appreciate the region's natural beauty and cultural heritage.