You can help expand this article with text translated from the corresponding article in German. (September 2011) Click [show] for important translation instructions. View a machine-translated version of the German article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Otterbach (Weser)]]; see its history for attribution. You may also add the template {{Translated|de|Otterbach (Weser)}} to the talk page. For more guidance, see Wikipedia:Translation.

Otterbach
Location
Country	Germany
States	Lower Saxony North Rhine-Westphalia
Physical characteristics
Mouth
• location	Weser
• coordinates	51°47′43″N 9°25′13″E / 51.7952°N 9.4204°E / 51.7952; 9.4204
Basin features
Progression	Weser→ North Sea

Otterbach is a river of Lower Saxony and of North Rhine-Westphalia, Germany.^[1] It is 8.1 km (5.0 mi) long and is a right tributary of the Weser^[2] near Holzminden.

The Otterbach runs through a forested area in the Solling hills, and has steep sandstone embankments which are up to 30 metres (98 ft) high in some places.^[1]

• List of rivers of Lower Saxony
• List of rivers of North Rhine-Westphalia