Cabbage grows at altitude here, dense rows of it across the plateau, harvested through the cool highland summer that makes Tsumagoi village one of the few places in Gunma where the air carries a genuine chill even in August. The village sits in a bowl of volcanoes — Asama-yama, Azumaya-san, Higashi-Kagonoto-yama — each shaping the soil and the silence differently. JR's Manza-Kazawaguchi Station is the practical entry point, but the landscape doesn't announce itself at the platform; it accumulates slowly as the road climbs.
The weight of Asama-yama's history settles at Karahara Kannon-dō, where a stone staircase was buried by the great eruption of 1783 and only a handful of steps remain above ground. The Tsumagoi Local History Museum holds the material record of that disaster alongside Jōmon-era artifacts, a reminder that people moved through this highland long before the cabbage fields or the ski lifts arrived. At Manza Onsen, sulfurous steam rises from a hot spring set at high elevation — the kind of bath where the smell reaches you before the water does. Further into the plateau, lesser-known springs like Handeки Onsen and Oku-Tsumagoi Onsen sit quietly off the main circuit, their names rarely appearing on itineraries.
The lava tree molds of Asama-yama and the Yuno-maru rhododendron colony at Yunomaru are designated natural monuments, visible evidence of the volcanic and botanical forces that shaped this terrain. The Teki-iwa rock formation on Azumaya-san punctuates the ridgeline. What accumulates across Tsumagoi is not scenery assembled for visitors but a working highland — farms, hot springs, old disaster sites, and the particular kurokо and highland vegetables that come from soil repeatedly remade by fire.
Where to stay
A day is rarely enough.
Booking through these links supports AURA at no extra cost to you.
What converges here
1 in this village. 25 within 25 km of the village office.
- Tsumagoi History Museum
- Yamba Tenmei Mudflow Museum
- Sezon Museum of Modern Art
- Tasaki Museum of Art
- Uchimura Kanzo Memorial Stone Church
See 20 more
- Karuizawa Oiwakejuku Museum of Local History
- Hori Tatsuo Literature Museum
- Karuizawa Museum of History and Culture
- Wakita Museum of Art
- Karuizawa New Art Museum
- Musée Ando à Karuizawa
- Kouko Fukazawa Nonohana Flower Museum
- Komorokougen Museum
- Le Vent Museum of Contemporary Art
- Musée Peynet
- Kuroyanagi Tetsuko Museum
- Literary Museum of Karuizawa
- Karuizawa Erz Toy Museum
- Karuizawa Picture Book Museum
- Komoro Gijuku School Memorial Museum
- Memorial Hall of Tōson
- Koyama Keizo Museum of Art
- Tanaka Honke Museum
- Maruyama Banka Memorial Museum
- Shiga Kōgen Roman Museum
Distances are straight-line from the municipal office. Each website was checked in September 2026. Some locations © OpenStreetMap contributors.
- Asama-yama Lava Tree Molds
- Mato-iwa Rock of Mt. Azumaya
- Yunomaru Rengetutuji (Royal Azalea) Colony
- Joshin'etsukogen
- Asamagakushi Onsen
- Manza Onsen
- Handeki Onsen
- Okutsumagoi Onsen
- Tsumagoi Baragi Onsen
- Mount Asama
- Mount Azumaya
- Mount Higashikagonoto
- Mount Motoshirane
- Manza-Kazawaguchi
- Omae
- Fukurokura