You needn't be of strong faith to enjoy the peaceful atmosphere of Colle di Val dElsa Cathedral. Check when the next mass starts or when it's open for general viewing.
Here's some great news. It's free to visit Colle di Val dElsa Cathedral in Colle di Val dElsa. But your sightseeing doesn't have to end at this principal church. Close-by attractions like Collegiate Church of Santa Maria Assunta, Piazza della Cisterna and Monteriggioni Castle will cap off your day nicely.