Hauterive (; ) is a municipality in the district of Sarine in the canton of Fribourg in Switzerland. It was created from the union in 2001 of the villages of Posieux (; ) and Ecuvillens (; ). History Its Cistercian abbey was founded in 1138, closing its doors in 1848 following the Sonderbund War, but was to reopen in 1939. Geography Hauterive has an area, , of . Of this area, or 52.4% is used for agricultural purposes, while or 30.2% is forested. Of the rest of the land, or 15.6% is settled (buildings or roads), or 1.6% is either rivers or lakes and or 0.1% is unproductive land. Of the built up area, industrial buildings made up 1.3% of the total area while housing and buildings made up 5.2% and transportation infrastructure made up 5.6%. Power and water infrastructure as well as other special developed areas made up 3.1% of the area Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 34.6% is used for growing crops and 17.3% is pastures. All the water in the municipality is flowing water. It consists of the villages of Ecuvillens and Posieux as well as the hamlet of Grangeneuve. Coat of arms The blazon of the municipal coat of arms is Pally of seven Argent and Azure overall a Lion rampant Or langued armed and viriled Gules holding a Crosslet of the first. The current coat of arms combines the blue and white stripes from Ecuvillens and the lion and one cross from Posieux. Demographics Hauterive has a population () of . , 10.5% of the population are resident foreign nationals. Over the last 10 years (2000–2010) the population has changed at a rate of 36.9%. Migration accounted for 27.1%, while births and deaths accounted for 8.8%. Most of the population () speaks French (86.5%) as their first language, German is the second most common (9.8%) and Italian is the third (1.0%). , the population was 51.3% male and 48.7% female. The population was made up of 981 Swiss men (45.4% of the population) and 127 (5.9%) non-Swiss men. There were 942 Swiss women (43.6%) and 111 (5.1%) non-Swiss women. , children and teenagers (0–19 years old) make up 27.2% of the population, while adults (20–64 years old) make up 62.2% and seniors (over 64 years old) make up 10.6%. ,