Jun Teuchi Soba Sobamaru
A premier hand-made soba restaurant run by a craftsman with over 30 years of experience, using buckwheat flour from the Yatsugatake foothills and wasabi from Azumino. Stone-ground flour on site. Set in a renovated farmhouse with high ceilings and exposed beams, near the historic Erin-ji temple. Yahoo! Maps 4.47. Tabelog ranked #1 in Koshu (3.58/242 reviews). Cash only.
Multiple reviews: 'Genuine hand-made craft from a 30-year veteran,' 'The aroma of Yatsugatake buckwheat is completely different,' 'Perfect including the historic farmhouse atmosphere.' Tabelog 3.58/242 reviews. Yahoo! Maps 4.47. Many specific repeat-visit reviews. Negative reviews only mention 'cash only' and 'lunch only' as inconveniences. No sakura indicators.