The municipality of Lozoyuela-Navas-Sieteiglesias is located in a privileged environment within the Comarca de la Sierra Norte. The whole thing is an area of high ecological value and attractive landscape qualities.

The town has three meadows where we can find essentially centenarians ash, oaks and holm oaks. In riparian areas (do not forget that the term run several streams with permanent flow) proliferate alder, ash and birch. The best example to cover an area of river is the perfectly preserved Roman Bridge Sieteiglesias.

The area of "back" (north slope of the Sierra de la Cabrera which is within a Lozoyuela) is a suitable environment for a stroll among the pines and hear running water from springs and streams As for the more common herbaceous species include thyme, broom, lavender, oregano, chamomile and pennyroyal. In wetter areas, and the Corujo collejas, the county used in salads to rich, we find, asparagus and walnut shingles. It is an area known for the variety and quality of mushrooms and fungi: mushrooms cane Card, tickets, níscalos, colmenillas or cagurrias, common fungus with a little paprika, olive oil and salt, put on the embers in a fire low, it becomes a delicious dish mountain during autumn.

As for the fauna in our environment we can find many species of mammals, amphibians and birds: the common blackbird, the warbler carrasqueña the chochín, the common herrerillos (cobalt blue feathers), magpies, jackdaw, crows, red kite, buzzard Common, lizard, bat, common, wild boar, fox, badger, genet (especially on the northern slope of the Sierra de Cabrera).