We started the route in Molino de La Hoz to go out along the trails of its Dam and circulate through them downstream of the Guadarrama River, until we cross it passing through the Retamar Bridge. Bridge built by the Marqués de la Ensenada (1702-1781) and built in the context of the works of the Real Camino de Castilla y Galicia, with the aim of making the passage of the Guadarrama for cars passable, something impossible until that moment.
We started to go up that old Royal Road, now known as Cordel de Colmenarejo or the Camino Viejo or Cañada del Retamar. Whatever name you know it by. What is certain is that you confirm that it is a steep climb, although at some point we simplify it with the fun of some foray into parallel trails.
At the end we go up to La Cañada and turn right, leaving the Los Ranchos Urbanization on the left. From this point to the junction of the El Escorial road, the M-505, it can be done along the Cordel del Hoyo or Vallelargo track. But practically everything can be done along the parallel paths, first on the left and then on the right. Which certainly make it a lot more fun.
We cross the M-505 and we get through El Pobo and Vedado de Las Higueras. Where we also have fun walking to the Los Jarales Urbanization. And we left it through the Puente Nuevo de Juan de Herrera.
We take the M-519 to cross the Torrelodones Station Area and exit through La Urbanización del Gasco and connect through the Camino de La Isabela track, but we turn off to walk again through the Cerro del Gurugú and fall across the old Canal of Guadarrama.
And now we only have the last path parallel to the Guadarrama River that brings us closer to Molino de La Hoz.
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Max elevation: 918 m
Total climbing: 748 m
Total time: 02:22:34
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