At 856 metres, the altitude of Cartajima is a little high for the olive to grow well. There are a few but not in commercial quantities. However, in nearby El Burgo you can experience the olive in all its variations and stages of production and, most importantly, tasting!
Aceites Gil Luna is a long established factory that produces Extra Virgin Olive Oil (EVOO as it is called in fancy cookbooks) both ecological as well as regular although why anybody would want regular when they can get ecological I can´t imagine. Perhaps a price thing.
Anyway, their charming manager, Mariló, offers guided tours and tastings which my guests have raved about. Here is a link to their website. You can either make your own arrangements or I can help you. Just ask!
And, while we are on the subject of olive oil, I came across this site which will answer any questions you might have about the production, consumption, selection…