Parco delle Biancane ou Semproniano ?

Parco delle BiancaneHot rocks, native sulfur crystals and an old diaspro quarry: a natural geothermal site, only marked and secured with ropes.

SempronianoHilltop medieval village, stone alleyways and buildings carved into the tufa, kept apart from the bustle of more touristy villages.

Parco delle BiancaneFree entry, park open permanently and easy north trail, gently sloping and marked in 40 minutes; the south section remains steep.

SempronianoNo parking, opening hours, or access to the sloping alleyways are indicated: not specified.

Parco delle BiancaneFree and open access to fumaroles at 115 °C, a gurgling lagone and views over Elba; only the audioguide and MUBIA are paid.

SempronianoFree visits to a medieval village and overnight stays at inns advertised from €30–50: few costs to stay on site.

Parco delle BiancaneDazzling white earth, ochres, yellow sulfur crystals and vapors, with views of Elba, Montecristo and the Tyrrhenian coast from the lookouts.

SempronianoHilltop village on the slopes of Mount Amiata, with narrow stone alleyways and facades carved into the tufa.

Parco delle BiancaneFumaroles, bubbling lagone, geothermal coffee demonstration by the guides and the MUBIA geomuseum: a varied and rare geothermal visit.

SempronianoMedieval village to explore on foot, but no specific monument or activity is described, so the interest lies mainly in wandering.