Taken at Buffalo National River in Arkansas, USA
As you can see from the colour of the photo, Buffalo National River is one of the few remaining undammed rivers in the US. It is , located in northern Arkansas, was the first National River to be designated in the country. The water was warm enough to swim and shallow enough to be safe. The river is more than 150 miles (240 km) long, and there are a numbers of campground and picnic spots to enjoy the scenery.