The longest of the GR routes in Galicia covers all of the municipalities of the Community of the Inter-municipal Area of Vigo, i.e. Baiona, Fornelos de Montes, Gondomar, Nigrán, Pazos de Borbén, O Porriño, Redondela, Salceda de Caselas, Soutomayor and Vigo, with a length of over two hundred kilometres.

In terms of the environment, you can visit the exceptionally beautiful countryside of Los Molinos de la Devesa, Carballeira de Barragán, Riberas and Fraga de Couñago, Foxo dos Lobos and braña, the forest on the banks of the Borbén, the Megalithic site of Monte Penide, Riberas del Zamáns and the mills of Maquía, Castro de Chandebrito, Marismas del Minor, Costa Rocosa de Baiona, Monte de A Grova, Fraga de Oliveira, Faro de Budiño...
The vantage points look down on the best corners of the south of the province of Pontevedra, such as the Canyon of the river Otaiven, Sierra of El Suido, Valley of Borbén, Ensenada de San Simón, Valley of Fragoso, Monteferro and Ensenada del Miñor, the Cies Isles and the rocky coastline and the Valleys of Miñor and Louriña. This path borders mountainous areas of great beauty, such as the Montes de Mougás, the Sierra of El Galiñeiro (709 m), the Montes Maiores or Coto de Eiras (803 m).