|• Mayor||Carsten Lachenauer|
|• Total||6.30 km2 (2.43 sq mi)|
|Elevation||328 m (1,076 ft)|
|• Density||360/km2 (920/sq mi)|
|Time zone||CET/CEST (UTC+1/+2)|
Unterreichenbach includes the settlement of Dennjächt as well as Kapfenhardt, which until 1971 was a distinct locality comprising the village of Kapfenhardt and the hamlet of Obere Mühle around the upper mill, which has been in operation since the 14th century. Jagdhütte was delisted as a hamlet in 1971.
The first preserved mention of Unterreichenbach dates to 1375, but there is evidence of a church as early as 1250, and there may have been a settlement as early as 800. The locality was formerly a possession of the Counts of Calw, but in 1603 passed to Württemberg. The first preserved mention of Kapfenhardt, today part of Unterreichenbach, dates to 1260, and it had passed to Württemberg in the early 14th century.
Unterreichenbach became an important centre of timber rafting on the Enz, Nagold and Würm after the Pforzheim rafting colony of Au burnt down in the 14th century and many families moved to Unterreichenbach. Felled trees floated down from the Kohler Valley upstream of Calw were reassembled while the men overnighted in inns at the mills in Kapfenhardt and then floated them on, usually to Bietigheim or Heidelberg but sometimes as far as Rotterdam, before returning overland with their pay. The rafting era came to an end in the early 20th century, replaced by the railways. The community has a museum and a monument to the industry. 
Beginning in the 14th century, the area was an increasingly popular spa, but this ended with a mid-19th-century avalanche which shut off the Gutenbrunnen hot spring. However, the area continued to attract tourists, and the mill inns had developed into internationally famous hotels by the Second World War.
- 1924: Dennjächt
- 1 June 1972: Kapfenhardt
Economy and infrastructure
Unterreichenbach has a Grundschule (primary school); older children attend school in neighbouring localities.
- "Gemeinden in Deutschland mit Bevölkerung am 31.12.2012 (Einwohnerzahlen auf Grundlage des Zensus 2011)". Statistisches Bundesamt (in German). 12 November 2013.
- Das Land Baden-Württemberg: Amtliche Beschreibung nach Kreisen und Gemeinden. Volume V Regierungsbezirk Karlsruhe Kohlhammer, Stuttgart: Kohlhammer, 1976, ISBN 3-17-002542-2. pp. 485–486 (German)
- "Aus der Geschichte des Dorfes", "Unterreichenbach stellt sich vor", Gemeinde, Official town site (German)
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- Official site (German)
- This article incorporates information from