Lagoon of Medina Nature · Jerez de la Frontera, Área Metropolitana de Jerez, Cádiz Protected steppe wetland in the Jerez countryside, a refuge for wintering waterbirds, connected to the city by the 13 km 'Ruta de la Puerta Verde' (Green Gate Route). Photo: El Pantera (CC BY-SA 3.0) What to see and do in Jerez de la Frontera