MAGMA Resort Shimobe is a beautifully designed hot-spring (onsen) resort tucked in the mountains near Mt. Fuji — the kind of place that converts even the most onsen-skeptical family. The natural hot springs feed gorgeous indoor and outdoor baths, the rooms are spacious tatami-style, and they make it easy for families with kids who normally couldn't experience traditional onsen.

What makes it special: They have PRIVATE FAMILY ONSEN you can reserve — critical when you have kids and don't want to navigate the strict public-onsen rules (no swimsuits, gender-separated, age limits for boys with mom). The food is a kaiseki multi-course Japanese dinner that's a meal to remember (kid menus available). Beautiful design, plus an easy day-trip base for Mt. Fuji and the Five Lakes region.

Kid tips:

• Book a room with PRIVATE ONSEN if your kids are over 4 (the public baths usually have age limits).

• The kaiseki dinner is FORMAL but kids' menus are kid-perfect (tempura, gyoza, fish).

• Yukata robes provided for everyone, including kid sizes — the cutest photos.

• Tatami room sleeping is on futons — great for toddlers plus little kids who tend to roll out of beds.

• Easy access by car (recommended for the Mt. Fuji area), or train + free shuttle from Shimobe-onsen Station (JR Minobu Line).

• Cribs/baby gear on request at booking.

• Public baths are clean, gorgeous, and have outdoor sections — magical in winter snow.

• Bring small swimsuits in case there's a family pool day.

We pair this stay with Lake Kawaguchi, Oishi Park, Shiraito Falls, and Makaino Farm Resort for a perfect 2-3 day Mt. Fuji escape with kids.