In the Regional Park in Los Belones (south) you can walk in the mountains. The El Valle Regional Park near Murcia is also recommended. If you want to bike or walk, you can also visit the Sierra Espuna, the parks offer hiking for all levels. There is a cycle track of 56 kilometers around the Mar Menor, this route you can take in about 7 hours. You can also climb the top of the Cabezo de la Fuente which gives you a beautiful view of the area.