El Carrilet, GironaA narrow-gauge railway once ran the 57 kilometres between Olot and Girona. Now it’s one of Spain’s best-known greenways. You will begin your journey passing by some volcanoes in the region of Garrotxa, and will end up in the Mediterranean, in the province of Girona.La Sierra, CádizThis route is 36.5 km long and has won a number of European awards. It will take you from Puerto Serrano to Olvera. Along the route you will come across the Chaparro de la Vega, a holm oak tree that is over 200 years old. Also, don't forget to look up at the sky as you pass through Peñón de Zaframagón, as you will be able to see one of the largest colonies of griffon vultures in Europe.
