Los Altares Valley is crossed by the middle Chubut River, located 200 kilometres (120 mi) west of Rawson and 150 kilometres (93 mi) east of Tecka.
The valley landscape is desert and semi-desert, filled with landforms and mountains with layered strata of different colors that are almost completely bare of vegetation.
The valley is home to ancient rock paintings by indigenous peoples.
This area has been proposed to form part of a national park.
This article about a place in Chubut Province, Argentina is a stub.