Shima Onsen is a hot spring area in Nakanojo Town, Gunma Prefecture, where you can experience Japanese onsen culture in a quiet natural setting. Before visiting, you can organize key points such as walking through the hot spring town, using public bathhouses, and viewing the lake scenery.
By understanding access from Tokyo along with essential information and highlights for your stay, it becomes easier to plan your schedule smoothly, even on your first visit.
Shima Onsen Basic Information

Shima Onsen is a historic hot spring area in Nakanojo Town, Gunma Prefecture, Japan, characterized by natural scenery and a calm town atmosphere. Surrounded by clear streams of the Agatsuma River system and mountains, it is known as an area where public bathhouses and traditional inns are concentrated.
Shima Onsen Highlights and Nearby Spots



Highlights of Shima Onsen
- View the lake surface colors at Lake Okushima
- Walk through the hot spring town and observe its historic streetscape
- Experience bathing culture rooted in the local community at public bathhouses
Nearby Spots Within Two Hours
- Experience the scale of one of Japan’s major hot spring towns at Kusatsu Onsen
- Visit Ikaho Onsen and see its stone steps and hot spring culture
- Explore natural scenery around Lake Haruna
Things to Do in Shima Onsen

In Shima Onsen, you can walk through the town while viewing its streetscape and enjoy bathing at public bathhouses. In the surrounding area, you can spend time observing natural scenery of lakes and mountains, and during your stay, you typically base yourself at a hot spring inn and spend quiet time.
Access to Shima Onsen
Check the latest weather forecast before your visit.
From Tokyo Station, take the JR Joetsu Shinkansen to Takasaki Station, then transfer to the JR Agatsuma Line and reach Nakanojo Station in about 2 hours and 30 minutes. Nakanojo Station is used as the nearest station for visiting Shima Onsen.
From Nakanojo Station, take a local bus operated by Kan-etsu Kotsu toward Shima Onsen for about 40 minutes. The route runs directly to the hot spring town, and sightseeing bases are located nearby after you get off.
Shima Onsen Visitor Information
Shima Onsen is a hot spring area where you can enjoy walking and bathing throughout the year, with public bathhouses and inns located throughout the town. Each facility has its own opening hours and closed days, so confirming details before visiting is important.
The natural scenery changes throughout the year, and the atmosphere of the hot spring town varies depending on the time of year. For details about events and facility operations, please check the latest information on the Shima Onsen Association Official Website.
Shima Onsen Travel Overview

Shima Onsen is a hot spring destination in Gunma Prefecture, Japan, known for its calm setting surrounded by nature and its long-established onsen culture. By reviewing access from Tokyo and essential visitor information in advance, you can plan your stay smoothly and confidently, even on your first visit.

