Dinan
commune in Côtes-d'Armor, France
Dinan (French pronunciation: [dinɑ̃] ; Breton: [ˈdinãn]) is a walled Breton town and a commune in the Côtes-d'Armor department in northwestern France. On 1 January 2018, the former commune of Léhon was merged into Dinan.
Geography
Instead of nestling on the valley floor like Morlaix, most urban development has been on the hillside overlooking the river Rance. The area alongside the river is known as the "port of Dinan", and is connected to the town by steep streets: Rue Jerzual and its continuation outside the city walls, the Rue Petit Fort. The Rance has moderate turbidity and its brownish water is somewhat low in velocity due to the very low gradient of the watercourse; pH levels have been measured at a slightly basic 8.13 within the city, and electrical conductivity of the waters has tested at 33 micro-siemens per centimetre. In the centre of Dinan, the Rance's summer flows are typically low, in the range of 14 cubic metres per second (490 cu ft/s).
For many years, the bridge over the river Rance at Dinan was the most northerly crossing point on the river, but the tidal power station at the mouth of the estuary, constructed in the 1960s downstream from Dinan, incorporates a 750-metre long tidal barrage, which also serves as a crossing point nearer to the sea.
Dinan station has rail connections to Saint-Brieuc, Lamballe and Dol-de-Bretagne.
Climate
Population
Inhabitants of Dinan are called dinannais and dinannaises.
Breton language
In 2008, 4.97% of primary school children attended bilingual schools.
The public source identifies “Dinan” as commune in Côtes-d'Armor, France. This brief keeps that definition visible, then builds a research path around Dinan, commune and Côtes-d'Armor.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jun 5, 2026. The linked authority identifier is Q201311. VIAF identifies the subject as 125511825. The Library of Congress control number is n82088326. Authority coordinates are 48.456, -2.050. 4 of 5 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2018 and 2008.
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This entry incorporates text from “Dinan” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.