Emmerthal is a municipality in the Hameln-Pyrmont district, in Lower Saxony, Germany. It is situated on the river Weser, approximatively 6 km south of Hameln. Its seat is in the village Kirchohsen.

Emmerthal
Municipality
Coat of arms
Location of Emmerthal within Hameln-Pyrmont district
Emmerthal Show map of Germany Emmerthal Show map of Lower Saxony
Coordinates: 52°3′N 9°23′E / 52.050°N 9.383°E / 52.050; 9.383
Country	Germany
State	Lower Saxony
District	Hameln-Pyrmont
Government
• Mayor (2021–26)	Dominik Petters[1] (SPD)
Area
• Total	115 km2 (44 sq mi)
Elevation	69 m (226 ft)
Population  (2021-12-31)[2]
• Total	9,811
• Density	85/km2 (220/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
Postal codes	31860
Dialling codes	05155, 05157, 05286, 05151
Vehicle registration	HM
Website	www.emmerthal.de

In 1973, the Emmerthal was formed by merging the previously independent municipalities of Amelgatzen, Bessinghausen, Börry, Brockensen, Emmern, Esperde, Frenke, Grohnde, Hagenohsen, Hajen, Hämelschenburg, Kirchohsen, Latferde, Lüntorf, Ohr, Voremberg, Welsede.

The Grohnde Nuclear Power Plant is located in the Emmerthal.

From 1933 to 1937, the National Socialists held their national thanksgiving festival in a field on the nearby Bückeberg hill.