In the area where Rillo de Gallo is located, there are important geological s and geomorphological s essential values in the area that have given rise to its proposal as an internationally recognized Geosite.
On the one hand, a «fossil forest» of the Permian with numerous specimens in position of life and with volcanoclastic rocks and lacustrine s of the same age associated with it 
 Numerous geological formations with remains fossil are also represented Permian and the Triassic of Western Europe, important for their content in macroflora, associations palynological, ichnofauna of vertebrates and facies marinas with Middle Triassic fauna well conserved.
In addition, it has been possible to establish the only continuous magnostratigraphic scale for the Permian and Triassic of the Iberian Peninsula.
As well as detritic units of the Late Triassic and part of the Middle Triassic, result of a great fluvial system of low sinuosity and bottom charge of gravel or of sand s of this age.

The road from Rillo de Gallo to Pardos, next to the ravine of the Hoz del Río Gallo (Corduente), is proposed as « Global Geosite » (Place of interest Spanish Geological Survey of International Relevance) by the Instituto Geológico y Minero de España for its stratigraphic interest, with the denomination "MZ003: The Permian and Triassic of the Señorío de Molina" within the group of geological contexts «El  rifting  of Pangea and the Mesozoic successions of the Bética and Iberian mountain ranges'.
In the area where Rillo de Gallo is located, there are important geological s and geomorphological s essential values in the area that have given rise to its proposal as an internationally recognized Geosite. On the one hand, a «fossil forest» of the Permian with numerous specimens in position of life and with volcanoclastic rocks and lacustrine s of the same age associated with it 
 Numerous geological formations with remains fossil are also represented Permian and the Triassic of Western Europe, important for their content in macroflora, associations palynological, ichnofauna of vertebrates and facies marinas with Middle Triassic fauna well conserved. In addition, it has been possible to establish the only continuous magnostratigraphic scale for the Permian and Triassic of the Iberian Peninsula. As well as detritic units of the Late Triassic and part of the Middle Triassic, result of a great fluvial system of low sinuosity and bottom charge of gravel or of sand s of this age.
The road from Rillo de Gallo to Pardos, next to the ravine of the Hoz del Río Gallo (Corduente), is proposed as « Global Geosite » (Place of interest Spanish Geological Survey of International Relevance) by the Instituto Geológico y Minero de España for its stratigraphic interest, with the denomination "MZ003: The Permian and Triassic of the Señorío de Molina" within the group of geological contexts «El  rifting  of Pangea and the Mesozoic successions of the Bética and Iberian mountain ranges'.
Rillo de Gallo