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SS172

Valle d’Itria: caves, trulli and white towns

The Castellana caves and the harbour town of Monopoli, a Roman port by the sea, then the white towns of the Valle d’Itria to Ostuni.

Distance
130 km (81 mi)
Driving
1 h 48 min
Suggested days
2
Stops
8
Countries
Italy
Updated
July 7, 2026

At a glance: 2-day road trip of about 130 km (81 mi) with 8 stops, from Bari to Ostuni. About 1 h 48 min of driving in total.

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Route description

Leave Bari south-east and drive about 40 km inland to Castellana Grotte. The caves open with the Grave, a huge natural shaft lit by daylight, and the long tour ends in the White Cave, full of glittering crystals. Tours leave at set times and the caves stay at about 16 degrees all year. From there, head down to the coast at Monopoli, a working port with a walled old town.

South along the coast, the archaeological park of Egnazia shows the remains of a Messapian and Roman town, with the Via Traiana running through it and a good museum. The coast here has small rocky coves and stretches of sand. Then turn inland and climb onto the low plateau of the Valle d’Itria, where the countryside is dotted with trulli, the round stone houses with cone roofs.

Locorotondo is built in a circle on a hilltop, with whitewashed lanes and a balcony view over the valley; it is also known for its white wine. The SS172 dei Trulli leads on to Martina Franca, a larger town with Baroque palaces and a summer opera festival. Cisternino, a few kilometres east, is a small white town known for its butchers who grill meat to order in the evening.

The route ends at Ostuni, the White City, on a ridge that looks down over olive groves to the sea. Its old town is a maze of whitewashed lanes and steps around the cathedral; park below and walk up. Distances on this route are short, but the country lanes between trulli are very narrow and bordered by dry stone walls; stick to the main roads in a large vehicle.

Stop-by-stop itinerary

In driving order. Distances are estimates between consecutive stops.

  1. 1

    Bari

    Italy
    Start
  2. 2

    Castellana Caves

    NatureCastellana Grotte, Italy

    A cave system under the Murgia plateau, entered through a huge open chasm called the Grave and ending in the White Cave, full of pale crystals. Guided tours take one or two hours; the cave stays cool all year.

    44 km
  3. 3

    Monopoli

    Italy
    19 km
  4. 4

    Egnazia archaeological park

    HistoryFasano, Italy

    The ruins of a Messapian and Roman port town beside the sea, crossed by the Via Traiana, with a museum of its finds. It lies just off the coast road between Monopoli and Savelletri; there is a car park.

    13 km
  5. 5

    Locorotondo

    Italy
    20 km
  6. 6

    Martina Franca

    Italy
    7 km
  7. 7

    Cisternino

    Italy
    11 km
  8. 8

    Ostuni

    Italy
    16 km

FAQs

How long is Valle d’Itria: caves, trulli and white towns?

2-day road trip of about 130 km (81 mi) with 8 stops, from Bari to Ostuni. About 1 h 48 min of driving in total.

How many days do you need for Valle d’Itria: caves, trulli and white towns?

We suggest 2 days: about 1 h 48 min of driving, which leaves time for the stops.

Where does Valle d’Itria: caves, trulli and white towns start and end?

It starts in Bari and ends in Ostuni.

Which countries does Valle d’Itria: caves, trulli and white towns pass through?

Italy.