The outline of geotectonic and geomorphology of the Central Asia is characterized by range and basin complex. All the closed basins develop tail-end-lake (or lakes).
亚洲中部大地构造格局及地貌轮廓均以山盆体系为特征，所有封闭性盆地中都发育有尾闾湖。
2
The surrounding basin is that of Red River, but because Devils lake's own basin is closed, the lake must reach a sufficient water level before the water travels elsewhere.