General view of the peloton.

Bola del Mundo, Spain – Alberto Contador of Spain remains the overall leader of the 2012 Vuelta a Espana after the race's last mountain stage was won by Russia's Denis Menchov on Saturday.

With one stage remaining, Contador leads ahead of Alejandro Valverde of Spain, with Joaquim Rodriguez third.

Australian Richie Porte finished second behind Menchov in Saturday's 171 kilometre stage to the race's final summit finish at La Bola de Mundo, with Belgium's Kevin De Weert in third.

The race finishes in Madrid on Sunday. – Reuters