The classification of our Trekkings/Adventures varies depending on some factors, such as the difficulty of the terrain, elevation and unevenness to overcome, the duration of the program, days and distance of the walks and the climatic and environmental conditions. #Trekking #Trekking_at_Kilimanjaro #Picos_da_Europa #Jbel_Toubkal #Trekking_Nepal #Annapurnas_base_camp #Campo_base_do_Everest #Mera_Peak #Summits #Trekking_com_guias_portugueses #Expedições #Autonomia_na_montanha #trekking_na_montanha #Aventura #Trekkings_internacionais https://www.striketours.pt/project/trekking-geral-niveis-trekking/