Practical information for visiting Orvieto

Italy's four national operators (TIM, Vodafone, WindTre and Iliad) cover Orvieto adequately. Visitors from elsewhere in the EU can use their home data allowance under EU roaming rules; visitors from outside the EU usually find a local prepaid SIM cheaper than roaming.

The constraint here is literal and unusual: a great deal of what a visitor does in Orvieto happens inside a rock. There is no mobile signal in the cave system, the cisterns or the Pozzo di San Patrizio, and none should be expected — these are tunnels cut 60 metres into volcanic tuff. The cathedral's thick masonry has a milder version of the same effect.

The practical consequence is worth acting on because the Opera del Duomo delivers its audio guides through an app, unlocked with your ticket. Download the app and its content before you go in, rather than at the chapel door. The same applies to cave-tour bookings and to maps if you intend to walk the cliff paths below the walls.

Public wi-fi is available in parts of the centre, and most hotels and cafes provide their own.

Orvieto is a very safe small town. Its real hazards come from being built on and inside a rock, and they are specific enough to plan for.

• Download the Opera del Duomo app and your maps before you go underground. There is no mobile signal in the cave system, the cisterns or the Pozzo di San Patrizio — these are tunnels cut up to 62 metres into volcanic tuff. You cannot call 112 from down there. Stay with your guide, and tell someone above ground if you descend the well independently.
• The Pozzo di San Patrizio is 62 metres down and 62 back up, on a spiral staircase with no lift and no way to shorten it once you have started. Treat it as exercise, not a viewpoint.
• Keep off the unfenced rim. The town's perimeter is a sheer drop. The main belvederes are protected; the paths around the base of the walls and the quieter stretches of the rim are not uniformly so. Hold on to children near the edge.
• Watch your footing on tuff. The paving polishes and turns slippery in rain and in the mist that settles on the rock from November onward. Shoes with grip.
• Watch your bag at the funicular, in Piazza del Duomo, and when the coaches arrive around midday — those three points account for most of what little pickpocketing there is.
• Use the underground as shade. The summit is open and unshaded and the sun is stronger than in the valley; the caves hold a steady low temperature year-round, so the sensible plan on a hot afternoon is to be inside the rock rather than on it.
• Park at the bottom and take the funicular. Driving up is restricted and gains you nothing.

Orvieto is a town of about 19,200 people; the larger hospitals serving this corner of Umbria are in Terni and Perugia. Visitors from the EU carrying a valid EHIC or GHIC card can use public healthcare on the same terms as Italian residents; visitors from elsewhere should carry travel health insurance, because treatment is billed directly.

Pharmacies are present in the centre with duty rotas posted for nights and holidays. For anything urgent, 112 reaches medical services.

Three points specific to Orvieto.

• The town itself is the easiest walking of any hill town in this rollout, and that is worth knowing in advance. The summit is flat, and the climb from the station is done by funicular, so Orvieto asks far less of the legs and the heart than Assisi, Siena or Genoa. For a visitor with a mobility limitation or a cardiac condition, it is the one to choose.
• The underground is the exception. The Pozzo di San Patrizio is 62 metres of spiral staircase down and the same back up, in cool damp air with no lift and no shortcut once committed. The cave tours involve uneven floors, low headroom and steps. Both are genuine exertion in enclosed space, and anyone who should not do that should enjoy the cathedral instead.
• Temperature changes abruptly. Going from an exposed sunlit summit in July into caves that hold a steady low temperature year-round is a sharp transition. Carry a layer for underground visits whatever the weather above.

Emergency number: 112, free from any phone. It is Italy's single emergency number — medical emergencies, the Carabinieri and emergencies generally — and it routes the call to the right service.

Police: 113. Fire brigade: 115. Financial Guard (Guardia di Finanza): 117.

There is no mobile signal underground. This matters more in Orvieto than anywhere else in this region, because a substantial part of what visitors do here happens inside the rock — the cave system, the cisterns and the 62-metre Pozzo di San Patrizio. Do not rely on being reachable or able to call from below ground; stay with your guide, and tell someone above ground if you are going down independently to the well.

The cathedral and its chapels — tickets, the Carta Unica, the app audio guides, accessibility — are administered by the Opera del Duomo di Orvieto, which is the authority for anything concerning the Duomo, the Cappella di San Brizio, the Cappella del Corporale and the Museo dell'Opera.

Hospitals are not in Orvieto; the larger ones serving this area are at Terni and Perugia. Pharmacies in the centre post the duty rota for nights and holidays.

If you are separated from your party, the cathedral square is the obvious rendezvous: the town is small, flat and walled by its own cliff, so it is difficult to be genuinely lost above ground.