NThe Nook Japan
Real family travel in rural Japan, by a dad who lives here.

Gunma · Karuizawa · with kids

Take your kids to the real Gunma.

Onsen towns, easy mountain trails and tiny local spots most guidebooks never mention — explained by a dad who actually lives here, with little ones in tow.

Hero photo — a family-friendly onsen town

Tell us your days & your kids' ages — get a family plan

A free, made-for-you suggestion: a sensible route, travel times, and which area to base yourselves in.

👶 Kids' ages📅 3 days♨️ Onsen + nature+ Build my plan

This is a suggestion, not a booking. You'll book stays, transport and activities yourself through the links we recommend — The Nook Japandoesn't arrange travel or take payment for it.

The free "Gunma with kids" starter guide

One short email course. Real spots, real logistics, no fluff.

Photo of me (on location)

Hi, I'm the dad behind The Nook Japan

I live in Gunma with my wife (a local) and our two daughters. Everything here is the version of Japan we actually do as a family — including the small places you can't find in English. More about us →