Bodaisen was a kind of "soboshu" (monk's sake), brewed at Shoryaku-ji Temple on Mt. Bodai in Nara, using both the water of the Bodaisen-gawa River running through the temple precinct and "Bodai-moto" (the starter mash, or the sake brewing method using the mash), and it belonged to "Nanto moro-haku" (several kinds of soboshu having the highest quality).
奈良菩提山（ぼだいせん）正暦寺（しょうりゃくじ）で、境内を流れる菩提仙川の水と、菩提酛という酒母・製法を用いて造られた僧坊酒で、南都諸白に属する。