.mw-parser-output .hidden-begin{box-sizing:border-box;width:100%;padding:5px;border:none;font-size:95%}.mw-parser-output .hidden-title{font-weight:bold;line-height:1.6;text-align:left}.mw-parser-output .hidden-content{text-align:left}@media all and (max-width:500px){.mw-parser-output .hidden-begin{width:auto!important;clear:none!important;float:none!important))You can help expand this article with text translated from the corresponding article in Japanese. (December 2008) Click [show] for important translation instructions. View a machine-translated version of the Japanese 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 Japanese Wikipedia article at [[:ja:美利河ダム]]; see its history for attribution. You should also add the template ((Translated|ja|美利河ダム)) to the talk page. For more guidance, see Wikipedia:Translation.
Pirika Dam
LocationHokkaidō, Japan
Construction began1975
Opening date1991
Dam and spillways
ImpoundsShiribeshi-Ribetsu River
Height40 m
Length251.7 m
Reservoir
Total capacity18,000,000 m³
Catchment area115 km²
Surface area185 hectares

The Pirika Dam (美利河ダム) is a dam located in Imakane, Setana District, Hiyama, Hokkaidō, Japan.

At 1480 meters in length, it is the longest dam in Japan and the largest in southern Hokkaidō. It is known for hosting the longest fish race in Japan (2.4 km).[citation needed]

42°28′18″N 140°11′47″E / 42.47153333°N 140.1964194°E / 42.47153333; 140.1964194