Riom presents a structured reading of central France, its historic core built largely from dark volcanic stone sourced from the nearby Chaîne des Puys. The Basilica of Saint‑Amable sets a strong architectural anchor, while straight, well‑proportioned streets reflect the city’s role as a former provincial capital. Civic buildings and townhouses frame the centre with a clarity uncommon in many medieval towns. The Musée Mandet, housed in an 18th‑century mansion, adds artistic depth with collections spanning decorative arts and regional history. Beyond the orderly grid, views open toward the volcanic landscapes that shaped the region’s materials and identity.