Open the door to an underground world full of mystery and beauty. Get your first taste of caving in the Cueva de los Griegos, in the Serranía de Cuenca. During 2 hours you will go through 700 metres of horizontal galleries illuminated only by the light of your headlamp. Stalactites, stalagmites and lava flows stained with manganese and limonite. All guided by an expert guide, who will reveal the secrets of this unique place on the border with Guadalajara. Get ready to see the Serranía de Cuenca from the inside.