Apr-Oct: 10am-1pm, 2pm-7pm; rest of year: 2pm-6pm - closed Mon, 1 Jan, 25 Dec
Originally part of the belfry which it flanks, the huge Gros Horloge clock has, since 1527, been embedded in a Renaissance arch that straddles the picturesque cobbled street after which it is named. Inside visitors will see the mechanism room, the town bells, and the single-hand hour dial. The latter is complemented by a "weekly counter", which still functions today. It is an iconic landmark and emblematic of Rouen.
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