Even if you're in fighting shape, climbing up steep slopes is hard work. Take Funicolare Cablecar Railway and get up the mountain quickly and comfortably. The views are better too!
If you're spending a while in Montecatini Terme, Funicolare Cablecar Railway is a good place to start your exploring. This incline railway is one of many attractions that'll keep you busy here. Terme di Montecatini, Terme Grotta Giusti, and Pistoia Zoo are also waiting to be explored close by.