Bring a picnic and enjoy a relaxing family day out at Parque Salto del Penitente. There's plenty of space for the kids to run about and get some fresh air.
You're spoiled for sightseeing choice in Minas. Parque Salto del Penitente is a great place to start here, but there are plenty of other worthy attractions to explore. Salus Natural Reserve, and Cerro are near the outdoor recreational space and will top off your day nicely.