Mase (French pronunciation: [maz]) is a former municipality in the district of Hérens in the canton of Valais in Switzerland.

[2] Mase has an area, as of 2009[update], of 11.1 square kilometers (4.3 sq mi).

The blazon of the village coat of arms is Azure, issuant from Coupeaux Vert a Pine Tree Vert trunked proper and a Chamois statant Argent, in chief two Mullets of the last.

[5] Most of the population (as of 2000[update]) speaks French (187 or 90.3%) as their first language, German is the second most common (13 or 6.3%) and Italian is the third (3 or 1.4%).

[8] The historical population is given in the following chart:[2][9] The entire village of Mase is designated as part of the Inventory of Swiss Heritage Sites.

[10] In the 2007 federal election the most popular party was the CVP which received 41.05% of the vote.

In the federal election, a total of 162 votes were cast, and the voter turnout was 78.6%.

[12] In the 2007 Swiss Council of States election a total of 156 votes were cast, of which 4 or about 2.6% were invalid.

[13] There were 83 residents of the village who were employed in some capacity, of which females made up 39.8% of the workforce.

[15] From the 2000 census[update], 175 or 84.5% were Roman Catholic, while 8 or 3.9% belonged to the Swiss Reformed Church.