Visited northern Kyushu for 10 days in end March commencing in Takeo onsen, followed by Karatsu in Saga Prefecture.
Overall itin – Takeo onsen > Karatsu > Yamaga onsen-go > Yufuin (2n) > Beppu > Matsuyama (2n) > Fukuoka (3n)
https://japantravelinsights.com/jp-2024-mar-sakura-saga/
https://japantravelinsights.com/jp-2024-mar-sakura-karatsu/
cheers, dli