Here is a summary of some of the other soba places I’ve visited in the past two years, in and around Tokyo. Most of them were visited in combination with a hike and all of them are highly recommended.
Sobakiri Ichibee (そば切り一兵衛), Kasama City, Ibaraki Prefecture
Soba Maru (そば丸), Koshu City, Yamanashi Prefecture
Jutokuan (寿徳庵), Kanazawa Branch, Yokohama City, Kanagawa Prefecture
Hatsu Hana (はつ花), Daiyuzan Branch, Minami-Ashigara City, Kanagawa Prefecture
Miyabi An (みやび庵), Chichibu City, Saitama Prefecture
Sobakiri Kuzo (そばきり空蔵), Shirosato, Ibaraki Prefecture
Kimura Soba-ya (木村そば屋), Moroyama, Saitama Prefecture
Kiryu-An (桐生庵), Akiruno City, Tokyo Prefecture
Soba Takashima (蕎麦 高しま), Bunkyo City, Tokyo Prefecture
Matsuo (松翁), Chiyoda City, Tokyo Prefecture