Complex sentence: South of Loa River the valley continues, flanked by Cordillera Domeyko to east, until it is ends at the latitude of Taltal (25 ° 17' S), being Around Chañaral it re-appears as an isolated basin surrounded by mountains and hills.
Split into simpler sentences: South of Loa River the valley continues, flanked by Cordillera Domeyko to east, until it is ends at the latitude of Taltal (25 ° 17'S). It re-appears around Chañaral (26 ° 20' S) as an isolated basin surrounded by mountains and hills.