Walk! GR221 Mallorca's Long Distance Trail - The Dry Stone Way. If you want to get away from it all , there is no surer way than strapping on your boots, shouldering your backpack, and embarking on a long distance path; and there are few long distance paths more beguiling and more crammed with adventure than Mallorca s GR221, La Ruta de Pedra en Sec or The Dry Stone Way.