Mountain town in Yamanashi, Japan
Internet in Kawaguchiko: speed, SIM cards and coworking
Is the internet good in Kawaguchiko?
Median fixed broadband in Japan is 234 Mbps and mobile is 66 Mbps (Speedtest Global Index, 2026-08). Few cafés open late and none are made for laptop work; hotel lobbies are the usual option.
Getting online in Kawaguchiko
| Details | |
|---|---|
| Home fibre | Fibre in some buildings, but monthly lets are rare. Most visitors rely on hotel wifi and mobile data. |
| Cafés and coworking | Few cafés open late and none are made for laptop work; hotel lobbies are the usual option. |
| Outages | Occasional snow or storm outages |
| Tourist SIM | Data-only SIMs and eSIMs sold at airports and Bic Camera or Yodobashi, about ¥2,000–6,000; voice numbers need a residence card. |
| eSIM | Local carriers sell eSIMs to visitors. |
| Carriers | docomo, au, SoftBank, Rakuten Mobile |
| Monthly data plan | ¥3,000–5,000 ($19–32) |
Coworking in Kawaguchiko
There's no dedicated coworking scene here; people work from cafés and accommodation.
Internet speeds in East Asia
National medians, Speedtest Global Index.
| Country | Fixed | Mobile |
|---|---|---|
| Hong Kong | 362 Mbps | 89 Mbps |
| Macau | 322 Mbps | — |
| Taiwan | 298 Mbps | 111 Mbps |
| South Korea | 251 Mbps | 251 Mbps |
| China | 238 Mbps | 176 Mbps |
| Japan | 234 Mbps | 66 Mbps |
| Mongolia | 86 Mbps | — |
Quick answers
Is the internet fast in Kawaguchiko?
Median fixed broadband in Japan is 234 Mbps and mobile is 66 Mbps (Speedtest Global Index, 2026-08). Few cafés open late and none are made for laptop work; hotel lobbies are the usual option.
Which SIM card should I get in Kawaguchiko?
Data-only SIMs and eSIMs sold at airports and Bic Camera or Yodobashi, about ¥2,000–6,000; voice numbers need a residence card.
Can I use an eSIM in Japan?
Yes. Local carriers sell eSIMs to visitors, and travel eSIMs work too.
More about Kawaguchiko
Going to Kawaguchiko solo?
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Sources
- Speedtest Global Index: Japan
- docomo
- au
- SoftBank
- Rakuten Mobile
- Fujikyu Railway
- Yamanashi Tourism Organization
Speeds are medians from Ookla's Speedtest Global Index, cited for reference. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.