The Sienese School: Where to See It in Siena Today

---

Siena did not paint like Florence, and never wanted to. From Duccio's two-sided altarpiece to Vecchietta's bronze Christ, the school can still be seen where it was made — if you know which rooms to enter, and which museum is shut.

Art history keeps a special shelf for cities whose painting is recognisable at a glance, and Siena has held her place on it for seven centuries. Its roll-call runs from Guido da Siena through Duccio, Simone Martini and the Lorenzetti to Sassetta, Giovanni di Paolo and il Vecchietta — and most of it can still be seen in the city that produced it. Here is the arc, and where to stand in front of it today.

The line against the mass

The received contrast — every survey of Italian painting's shorthand — sets Florentine volume against Sienese line: Florence modelling weight, anatomy and constructed space; Siena refining contour, pattern, colour and a courtly, tender grace, laid over burnished gold — the school's signature, not a background but a light source. The Pinacoteca Nazionale di Siena describes its own holdings as the most complete collection of gold-ground painting of the Sienese fourteenth and fifteenth centuries. And the difference was real: when Domenico di Bartolo brought Florentine perspective and descriptive realism into the Santa Maria della Scala frescoes of the 1440s, it ran years ahead of local practice, and it reads as an event.

The arc, in five names

Duccio di Buoninsegna is the source: his Maestà of 1308–11, painted under a contract that bound him to work by his own hand and take no other commission, sworn on a Bible, was carried from workshop to cathedral in a civic procession. Simone Martini turned Duccio's devotional language courtly and political: his Maestà of 1315–21 presides over the council hall of the Palazzo Pubblico. Pietro and Ambrogio Lorenzetti pushed the school into narrative and observed reality — Ambrogio's Allegory of Good and Bad Government (1338–39) is widely considered the first secular panorama of city and countryside since antiquity — before the plague of 1348, in which Lorenzetti died, closed the first great age. In the fifteenth century Sassetta and Giovanni di Paolo kept the gold grounds and the visionary intensity, and Lorenzo di Pietro, il Vecchietta — nicknamed the painter of the hospital — carried the tradition into fresco, panel and bronze at once.

Duccio: stand in the Museo dell'Opera

The Maestà lives in the Duomo complex's Museo dell'Opera, displayed so both faces can be read: the Virgin enthroned on the front, twenty-six Passion scenes on the reverse, originally turned toward the canons at Mass. Give it half an hour, not five minutes. Then descend into the cathedral's crypt, whose frescoes — sealed under rubble for centuries, open to the public only since 2003 — sit stylistically just before Duccio: the school the moment before it becomes itself. Both are on the OPA Si Pass (€14, €16 when the marble floor is uncovered; valid three days).

Simone Martini and the Lorenzetti: the Palazzo Pubblico

The Museo Civico upstairs in the Palazzo Pubblico holds the school's political masterpieces in the rooms they were painted for. In the Sala del Mappamondo, Simone's Maestà — look closely at the Virgin's robe, where coloured stone was pressed into the wet plaster — faces the equestrian Guidoriccio da Fogliano, displayed as Martini's though a scholarly dispute has run since 1977. Next door, in the chamber where the Nine governed, Ambrogio's Good Government unfolds: the cobbler, the classroom, the dancers, the countryside at peace — and opposite, what tyranny costs. €10, a fraction of the Duomo's crowds.

Vecchietta and the Quattrocento: Santa Maria della Scala

Across from the cathedral, the old hospital is the school's fifteenth-century headquarters — since October 2025 re-hung around Vecchietta himself. The Pellegrinaio's 1440s cycle mixes Domenico di Bartolo's realism with panels by Vecchietta and Priamo della Quercia; Vecchietta's frescoed Sagrestia Vecchia (c. 1444) and painted reliquary cabinet, the Arliquiera (1445), show the painter, and his bronze Risen Christ (1476) shows what else he could do. Here too hangs Matteo di Giovanni's Massacre of the Innocents, painted for the church of Sant'Agostino. €9, open daily in season.

The free rooms: two churches

The Basilica di San Francesco keeps the Lorenzetti brothers in situ, without a ticket: detached frescoes from the convent's chapter house — Ambrogio's Martyrdom of the Franciscans and St Louis of Toulouse, Pietro's Crucifixion — hang in the transept chapels, and the counter-façade holds Sassetta's Coronation of the Virgin, completed by Sano di Pietro. Santa Maria dei Servi, on its own hill near Porta Romana, reaches further back still: Coppo di Marcovaldo's Madonna del Bordone, signed and dated 1261, its Virgin's face later repainted by a painter of Duccio's circle; a Massacre of the Innocents attributed to Pietro Lorenzetti and his collaborators; and Giovanni di Paolo's Madonna della Misericordia. Both are working churches with no reliably published hours; go in the morning, dress modestly, and treat a closed door as a reason to return.

The Pinacoteca, honestly

The school's reference museum, the Pinacoteca Nazionale di Siena, has been fully closed since 26 January 2026 for PNRR-funded energy-efficiency and accessibility works, and — re-confirmed on its own site on 14 August 2026 — no reopening date has been announced. Its collection is not on display. During the closure the Musei Nazionali di Siena open compensating sites, led by Palazzo Chigi Piccolomini alla Postierla near the Duomo; check its site for current days. The itinerary above is not a consolation prize — it is most of the school, in situ.

An hour south, five Madonnas

One small room proves the school travelled with Sienese power: the Sala d'Arte San Giovanni in Castiglione d'Orcia, in the Fondazione Musei Senesi network, keeps five fourteenth- and fifteenth-century Madonna col Bambino panels — Simone Martini (dated 1320–25 by the museum, the Child clutching a swallow like a toy), il Vecchietta and Giovanni di Paolo among them — in a former oratory in a Val d'Orcia hill town whose main piazza is named after Vecchietta. August guided visits run on weekend mornings, 10:00–13:00 (15 August excluded).

Practical information

• Museo dell'Opera (Duccio) + crypt: OPA Si Pass, €14/€16, valid three days; operaduomo.siena.it.
• Museo Civico (Simone Martini, Ambrogio Lorenzetti): €10; combined tickets exist; Palio-week hours shrink — museocivico.comune.siena.it.
• Santa Maria della Scala (Vecchietta, Domenico di Bartolo, Matteo di Giovanni): €9 (€8 online); daily 10:00–19:00 in season, except 16 August, when it closes at 16:30 for the Palio; santamariadellascala.com.
• San Francesco and Santa Maria dei Servi: free; active churches, hours unpublished — mornings are the better bet.
• Pinacoteca Nazionale: closed since 26 January 2026, no reopening date; pinacotecanazionalesiena.it lists the compensating venues.
• Sala d'Arte San Giovanni, Castiglione d'Orcia: August weekend guided visits 10:00–13:00 (not 15 August); museisenesi.org.

Continue reading: Santa Maria della Scala · The Palazzo Pubblico · The Pinacoteca's closure

Frequently Asked Questions

What is the Sienese school of painting? The tradition that flourished in Siena from the thirteenth century: gold-ground panels and frescoes by Duccio, Simone Martini, the Lorenzetti, then Sassetta, Giovanni di Paolo and il Vecchietta — prized for line, colour and grace where Florence pursued volume and constructed space.

Is the Pinacoteca Nazionale di Siena open in 2026? No. It has been fully closed since 26 January 2026 for PNRR renovation works, with no reopening date announced (confirmed on its own site, 14 August 2026). Compensating venues are open in the city during the closure.

Where can I see Duccio, Simone Martini and the Lorenzetti in Siena today? Duccio's Maestà is in the Museo dell'Opera at the Duomo; Simone Martini's Maestà and Ambrogio Lorenzetti's Good Government are in the Palazzo Pubblico's Museo Civico; both Lorenzetti brothers hang, free, in the Basilica di San Francesco.

By the Siena & Toscana editors