A 10-day trip is the sweet spot for families who want to see Kyushu without exhausting the kids. Three days isn’t enough; two weeks is too much.
Quick answer: 10 days is enough to loop all 7 Kyushu prefectures with kids, using 5 hotel bases and only 8 travel days.
The route is Fukuoka (3 nights) → Yufuin (2) → Kumamoto/Aso (1) → Kagoshima (2) → Aoshima (1), on a 7-day JR Kyushu Rail Pass plus a few rental car days.
With 10 days you can build a loop that touches all 7 prefectures, sample 3 onsen towns, and add 2 island or cliff destinations.
And you still keep two genuine rest days in the plan — the first thing most 7-day itineraries cut.
This is the exact route we’d take with our own family of 4.
It’s a long itinerary — bookmark it for planning, then use the linked guides to deep-dive each segment.
Rent a Car in KyushuCompare Fukuoka Airport pickups in English and request child seats with the car. No IDP, or rather not drive? Hire a private driver instead →Not Driving? Private Driver around Kyushu