On the high ground of Dehesa, the vegetation is hardy and fragrant, consisting of hawthorns, rosemary, lavender, sage, marjoram, brooms, gorse, spurge flax, Spanish lavender, rock roses, shrub oak and thyme; vegetation that can hardly be seen but whose smell causes light-headedness”. Journey to the Alcarria, Camilo Jose Cela. This is the sensation on the road from Trillo to Tetas de Viana.