Colfontaine is a municipality located in the Belgian province of Hainaut. On January 1st, 2004 Colfontaine had a total population of 20,148 (9,642 males and 10,506 females). The total area is 13.62 kmē which gives a population density of 1,479.73 inhabitants per kmē.
The municipality of Colfontaine (20,149 inhabitants on 1 January 2004; 1,364 ha) is located in Borinage, aka Pays Noir (Black Country), the former coal mining basin, 10 km south-west of Mons and 10 km north-east of the border with France.
In the beginning of the XXth century, the forest had to be suppressed and replaced by a colliery; on 20 May 1907, a huge crowd rallied against the suppression of the only natural park in Borinage and the forest was purchased the same year by the Belgian state.
The municipal flag of Colfontaine is vertically divided green-yellow with the municipal arms in the middle.
The municipality of Colfontaine (19,998 inhabitants on 1 January 2007; 1,364 ha) is located in Borinage, aka Pays Noir (Black Country), the former coal mining basin, 10 km south-west of Mons and 10 km north-east of the border with France.
The municipality of Colfontaine was formed in 1976 by the merging of the former municipalities of Pâturages, Warquignies and Wasmes (seat of the new municipality) with a part of the former municipality of Eugies (the other part of Eugies being incorporated to Frameries.
On 25 October 1999, the Municipal Council of Colfontaine unanimuously adopted the municipal coat of arms and applied to the French Community for its official confirmation.