Horikawa jinin who belonged to Gion-sha Shrine (currently Yasaka-jinja Shrine) who gathered in Gojo Horikawa, operated a lumber business in medieval times, transporting lumber from the mountains in Tanba Province down the Kizu-gawa River in the form of rafts, to be stored in Gojo Horikawa.
京の五条堀川に集っていた祇園社（現八坂神社）の堀川神人は中世には材木商を営み、丹波国の山間から木津川を筏流しで運んだ材木を五条堀川に貯木した。