dense network of departmental roads, and by the Donzère-Mondragon canal. The Tricastin valley is dotted with towns full of history and having a rich heritage. Some highlights: Saint-Paul-Trois-Châteaux - medieval cathedral, ancient neighborhoods, ramparts, private homes dating back to the 15th century, museum of archaeology, House of Truffles and Wine Bollène - 11th century, Collégiale Saint Martin, Convent of the Holy Sacrament, old quarters, private villas dating to the 16th century, ramparts, cave dwellings of Barry, Notre Dame du Pont chapel Bourg-Saint Andéol - Bishop's Palace, Romanesque church, private villas dating back to the 15th century, multiple chapels, Convent of the Presentation of Mary, statue of Diane Huntress, banks of the Rhône, hospital with baroque cloister and chapel, gothic tower Donzère - old quarters, ramparts, ruins of château and ramparts, private villas, Robinet suspension bridge, Donzère parade Grignan - a Renaissance Château, old quarters, 15th-century Collégiale Saint Sauveur, ramparts, private villas La Garde-Adhémar - romanesque Church of Saint Michel, Chapel of the Penitents, old village, Valley of the Nymphs, romanesque Chapel of Valley of the Nymphs, botanic gardens Pierrelatte - old center, 19th-century church, 19th-century belfry, private villas in town and on the plain Pont-Saint-Esprit - medieval bridge, old quarters, Museum of Sacred Art, Paul Raymond Museum, Saint Saturnin Church, Barracks of the King, Circular Boulevard, neo-Gothic stairs on the banks of the Rhône, Citadel References Geography of Drôme Geography of Vaucluse