Pack a few snacks and enjoy a fun family day out at Monte Barro Regional Park. There's loads of space for the kids to run around and get some exercise.
You'll have no end of sightseeing choices in Lombardy. Monte Barro Regional Park is a good place to begin here, but there are many other worthy attractions to discover. Monte Resegone, Funivia Piani d'Erna, and Lago di Annone are close to the outdoor recreational space and will round out your day nicely.