Glomel

Glomel

Groñvel
Glomel Groñvel
Commune
	The church and main road of Glomel
	Location of Glomel
	Glomel Location within France Glomel Location within Brittany
	Coordinates: 48°13′25″N 3°23′42″W / 48.2236°N 3.3950°W
Country	France
Region	Brittany
Department	Côtes-d'Armor
Arrondissement	Guingamp
Canton	Rostrenen
Intercommunality	Kreiz-Breizh
Government
• Mayor (2023–2026)	Bernard Trubuilt
Area 1	79.93 km2 (30.86 sq mi)
Highest elevation	307 m (1,007 ft)
Lowest elevation	134 m (440 ft)
Population (2023)	1,440
• Density	18.0/km2 (46.7/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	22061 /22110
	1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Glomel (French pronunciation: [ɡlɔmɛl]; Breton: Groñvel) is a commune in the Côtes-d'Armor department in Brittany in northwestern France. The town is also home to the Guerphelès andalusite mine, the largest andalusite mining site in Europe.

Population

Historical population

Year	Pop.	±% p.a.
1806	3,062	—
1836	3,687	+0.62%
1841	3,776	+0.48%
1846	3,674	−0.55%
1851	3,814	+0.75%
1856	3,322	−2.72%
1861	3,457	+0.80%
1866	3,450	−0.04%
1872	3,455	+0.02%
1876	3,552	+0.69%
1881	3,670	+0.66%
1886	3,692	+0.12%
1891	3,796	+0.56%
1896	3,860	+0.33%
1901	3,826	−0.18%
1906	4,027	+1.03%
1911	4,226	+0.97%

Year	Pop.	±% p.a.
1921	3,928	−0.73%
1926	3,974	+0.23%
1931	3,594	−1.99%
1936	3,289	−1.76%
1946	3,142	−0.46%
1954	2,686	−1.94%
1962	2,466	−1.06%
1968	2,044	−3.08%
1975	1,756	−2.15%
1982	1,534	−1.91%
1990	1,457	−0.64%
1999	1,460	+0.02%
2007	1,397	−0.55%
2012	1,414	+0.24%
2017	1,380	−0.49%
2023	1,440	+0.71%

Source: EHESS and INSEE (1968–2023)

Inhabitants of Glomel are called glomelois in French.

Geography

Glomel is located on the northern slope of the Montagnes Noires (French, Black Mountains). The Minez Du is the highest peak in the village. The village centre is located 6 km (3.7 mi) west of Rostrenen and 53 km (33 mi) north of Lorient.

Geology

The geology of Glomel is renowned for its exceptionally rich andalusite deposit, known for having the highest andalusite content in the world. This unique mineral, prized for its high-temperature resistance, has been extracted at the Guerphalès mine since 1970. The site, operated by Imerys, plays a crucial role in the global andalusite market, producing 65,000 tonnes annually, which accounts for 20-25% of global output.