Relief:siliceous rocks from th ePrimary Era in the west. Limestone rocks from the Secondary era in the east. Clays from the Quaternary Era in the plains, valleys and coast. Volcanic rocks in the canary islands, Columbretes and other parts.
Water:the cantarina watershed: these rivers are short and their flow is abundant and regular. The atlantic watershed: these rivers are long and their flow is irregular. The mediterranean watershed:the ebro is long and has abundant flow the rest are short with week irregular flow.
Climate: oceanic, mediterranean: typical, continental, semi-arid, subtropical
Landscapes: deciduous forest, mediterranean forest,stepa,dessert,laurisilva