is either rivers or lakes and or 37.7% is unproductive land. During the same year, housing and buildings made up 1.1% and transportation infrastructure made up 0.7%. A total of 17.7% of the total land area is heavily forested and 3.6% is covered with orchards or small clusters of trees. Of the agricultural land, 7.9% is pasturage and 28.5% is used for alpine pastures. Of the water in the municipality, 0.2% is in lakes and 0.7% is in rivers and streams. Of the unproductive areas, 5.8% is unproductive vegetation, 23.4% is too rocky for vegetation and 8.5% of the land is covered by glaciers. It lies in the Simmental valley of the Bernese Oberland. Lenk lies from Bern and from Montreux. Lenk is the highest municipality in Simmental. The municipal area includes many mountains, the highest of which is the Wildstrubel (). Somewhat below the Wildstrubel, by the Siebenbrunnen ("seven fountains") comes the Simme River, which gives Simmental ("Simme Valley") its name. A number of creeks flow into the Simme, and the Iffig Creek, the Iffigfall (its waterfall), and the Iffigsee (its lake) are attractions for hikers. Other mountains nearby include the Wildhorn (3248 m) and Niesehorn (2776 m), commonly reached via trekking routes that begin in Lenk. The large municipality includes the cooperative farms (Bäuerten) of Aegerten and Brand as well as the villages of Lenk, Gutenbrunnen, Ober- and Pöschenried. On 31 December 2009 Amtsbezirk Obersimmental, the municipality's former district, was dissolved. On the following day, 1 January 2010, it joined the newly created Verwaltungskreis Obersimmental-Saanen. Coat of arms The blazon of the municipal coat of arms is Per fess Vert a Semi-Plate issuant from the Chief from which are flowing towards base seven streams of the same and Gules a Sword and a Distaff both of the second in Saltire. The seven streams represent the Siebenbrunnen falls or seven sources of the Simme river. Demographics Lenk has a population () of . , 14.5% of the population are resident foreign nationals. Over the last year (2010-2011) the population has changed at a rate of 2.1%. Migration accounted for 1.5%, while births and deaths accounted for 0.2%. Most of the population () speaks German (2,201 or 94.2%) as their first language, Serbo-Croatian is the second most common (36 or 1.5%) and Portuguese is the third (27 or 1.2%). There are 14 people who speak French, 5 people who speak