Alvaro's tour is amazing. I don't book a lot of experiences on Trip Advisor but I'm so glad I found this one and booked it for my family and I. It is great for mature kids (who have been taught not to complain), for nature lovers, avid hikers, and anyone who wants a unique experience and not a cookie cutter, squish-as-many-people-as-you-can together type of experience. Alvaro keeps it small and personal. I loved his upbeat, optimistic personality, and he loves to have a good time. You will have a blast, see some areas you didn't even imagine, get the best pictures ever, and see some crazy amazing views. Plus, you'll get a rejuvenating workout out of it. Don't miss this!!!