Ribera Del DueroThe Ribera del Duero is located on the great northern plateau of the Iberian Peninsula . It is formed by an enormous smoothened base and is partly covered by tertiary sediments.
Of particular note are the alternating layers of limestone and marl and even chalky concretions.
The Duero valley, formed during the Miocene period, has flat areas and gently undulating areas. These are limited by differential erosion and have now almost become a plain. In terms of altitude, the hills reach up to 911 m and the valleys are at an altitude of between 750 and 850 m.
Climate
The Ribera del Duero has moderate to low rainfall (450 mm per year), dry summers, with temperatures of up to 40ºC, and long, harsh winters, with temperatures reaching as low as -18ºC. There are also marked variations in temperature within each season. The climate may be said to be a mixture of continental and Mediterranean, with more than 2,400 hours of sunlight.
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