La Haute-Yamaska (, ) is a regional county municipality in the Estrie region of Quebec, Canada. Its seat is Granby.
It is named for its position at the height of the Yamaska River, which cuts through its southern part. It rises at Brome Lake located in neighbouring Brome-Missisquoi Regional County Municipality.
On January 1, 2010, the city of Bromont left La Haute-Yamaska; it was reclassified to the Brome-Missisquoi RCM.
In 2021, it was transferred to the Estrie region from Montérégie.
Subdivisions There are 8 subdivisions within the RCM:
Cities & Towns (2) Granby Waterloo
Municipalities (4) Roxton Pond Saint-Alphonse-de-Granby Saint-Joachim-de-Shefford Sainte-Cécile-de-Milton
Townships (1) Shefford
Villages (1) Warden
Demographics Mother tongue from Canada 2021 Census
Language Population Pct (%) French only 83,715 91.6% English only 2,835 3.1% Both English and French 1,075 1.2% Other languages 3,330 3.6%
Highways Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:Official Transport Quebec Road Map
Autoroutes
Principal Highways
Secondary Highways
External Routes None
References