Links

http://blog.mallorcahiking.com/2011/03/mallorcas-dry-stone-route-walk/

http://www.conselldemallorca.net/

http://www.seemallorca.com/walking/routes/gr221-dry-stone-route-provence-664329

http://www.mallorcahiking.com/en/p340/highlights-of-the-gr221-mallorcas-dry-stone-route-4-days-from-19-23-october-2015.html