Ogawa somen (Saitama Prefecture): It was such a famous production area that 'Shinpen Musashi Fudo Kiko' (a topography of Musashi Province from 1804 to 1829) wrote its specialty was somen, but manufacturers of somen converted to producing washi paper as Ogawamachi washi became popular.
小川素麺（埼玉県）…「新編武蔵風土記稿」に名物との記述がある程の産地であったが、小川町和紙が隆盛した事に伴い、素麺生産していた家々が徐々に和紙生産へと転換し衰退。