Riehen (Swiss German: Rieche) is a municipality in the canton of Basel-Stadt in Switzerland.

Riehen hosts the Fondation Beyeler (a privately owned art gallery) as well as a toy museum and several parks.

Riehen was the first municipality in Switzerland to elect a woman, Trudy Späth-Schweizer to political office, in 1958.

[3] The mathematician Leonhard Euler and the tennis player Roger Federer lived in Riehen during their childhood years.

Riehen has an area, as of 2009[update], of 10.86 square kilometers (4.19 sq mi).

[5] The municipality is located on the right bank of the Rhine on the Swiss-German border between Wiese and the Chrischonahügel.

A salient around 2 km in length protrudes from the northeast, over the Herrenwald forest.

The blazon of the municipal coat of arms is Azure, six Bricks Argent one, two and three.

[9] The historical population is given in the following chart:[4][12] The Beyeler Foundation, the Cemetery am Hörnli with crematorium, the New and Old Wenkenhof with Park, the Reformed Village Church of St Martin with Meierhof and ring wall, the Wettsteinhäuser (Toy Museum and Village Museum), the Colnaghi House, Huber House and Schaeffer-von Déchend House are listed as Swiss heritage site of national significance.

The entire town of Riehen is part of the Inventory of Swiss Heritage Sites.

The number of jobs in the primary sector was 22, of which 15 were in agriculture and 7 were in forestry or lumber production.

In the tertiary sector; 388 or 15.0% were in wholesale or retail sales or the repair of motor vehicles, 115 or 4.5% were in the movement and storage of goods, 152 or 5.9% were in a hotel or restaurant, 60 or 2.3% were in the information industry, 79 or 3.1% were the insurance or financial industry, 190 or 7.4% were technical professionals or scientists, 366 or 14.2% were in education and 713 or 27.6% were in health care.

[9] From the 2000 census[update], 4,683 or 23.0% were Roman Catholic, while 7,464 or 36.6% belonged to the Swiss Reformed Church.

The wettest month is June during which time Riehen receives an average of 88 mm (3.5 in) of rain or snow.

The driest month of the year is March with an average of 49 mm (1.9 in) of precipitation over 10.7 days.

The library has (as of 2008[update]) 37,413 books or other media, and loaned out 149,733 items in the same year.

In addition, the Basel tram network runs through the municipality to the German border.