Can children under 3 go up by Cable Car? Pepe Roldán March 04, 2020 12:49 Updated Follow No. Children under 3 are not allowed to ascend by Cable Car due to the risk that high altitude poses to their health. Related articles Can children under 3 go up by Cable Car? Can I go up by Cable Car if I am pregnant? How much time can I spend walking the trails at the summit of Mount Teide if I use the cable car? Do I need a permit from the National Park to ascend by cable car? If I make a reservation for a specific time slot or session, will I board the cabin at the specified time?