alcaria do cume, algarve, tavira, portugal

archaeological prehistoric archeology prehistory landscape neolithic sandstone monchique vilarinha portugal catarina footpath fuzeiros historic landmark megalith monolith monument mountain panorama trekking alcaria algarve highest eastern ancient circuit geology history magical outdoor tavira meters autumn celtic hiking menhir nature valley point level santa fonte bispo green serra stone cume view near calm cult faro hike hill rock tomb vale walk 525 sea day dry