zig zag path climbing up the steep mountain slope

precipitous rugged mountain roads acclivity adventure alpine alps ascent bend climb curve curves dolomite mountains dolomites dolomiti drudgery explorer fatigue hiking italian italy landscape majestic mount people nobody outdoor activities path peaks serpentine slope snaillike snaking steep slopes struggled struggling tiresome toil tortuous tortuousity towering track trail trekking turn twisting twists and turns uphill winding without zig zag zigzag impervious challenging arduous strenuous difficult demanding