Menbou Sobahiro
Long-established soba restaurant founded in 1976 in Kawachinagano with over 50 years of tradition. Uses a specialized noodle machine from the Taisho era and stone-ground homemade buckwheat flour daily. Famous for its signature 'Everest' - a mountain of soba for three. Sells 4,000 servings during year-end season. 9-minute walk from Chiyoda Station west exit.
Retty 46 reviews, TripAdvisor 4.5 (2nd in Kawachinagano). Long-time regulars say 'always great, never changes.' Sells 4,000 servings during year-end season. Many reviews praise the texture, aroma, and smooth finish. Gets crowded with queues on holidays.