Guided hiking adventure in the Quebrada de Macul, led by mountaineer and naturalist Arturo Villagrán (28 years of experience), who explains flora, fauna, and geology. It takes place in small groups (maximum 6 people) with departures from 8:30 to 13:45 several days a week from Metro Quilín, in Peñalolén. It is suitable for ages 4 and up, in Spanish, German, and English, with excellent reviews (5.0).