I Looked Into Ikoi no Mura Heritage Mi no Yama
2026-08-29

On this blog, I research and record hot spring inns and campsites that I might be able to visit even though I don't drive.
This time, I looked into Ikoi no Mura Heritage Mi no Yama. I was curious about the "Mi no Yama" part of the name, which is what prompted me to check out what kind of place it is.
It seems to be a hot spring inn known for a medicinal herb bath called Kuma-san no Yu, where seasonal herbs float in the water.
As for Rakuten Mobile signal, the official tool wasn't able to give a determination.
I've summarized the details below.
What Kind of Hot Spring Is Kuma-san no Yu?
Apparently this is a hot spring inn located in Minano Town, Chichibu District, Saitama Prefecture, and its signature feature is a panoramic-view hot spring and medicinal herb bath called Kuma-san no Yu. It's characterized by a homemade medicinal bath with seasonal wild herbs and plants floating in it, with the specific flora changing depending on the season. The water is apparently piped in from Shiki no Yu Onsen in Kumagaya City, and is classified as a sodium chloride spring, hypertonic and weakly alkaline.
While the baths don't include an open-air bath or a private bath, they do apparently have a dry sauna and jet bath/jacuzzi, so it seems designed for people who want to warm up thoroughly and take their time. Day-trip bathing is also available, with hours from 11:00 AM to 10:00 PM (last entry 9:00 PM), and rates of 880 yen for adults (junior high school age and up) and 660 yen for children (ages 4-12). Towels are apparently rented separately for an additional fee, so it might be a good idea to bring your own.

A hot spring with herbs floating in it sounds intriguing—I imagine you could enjoy the scent and the visuals too. If different plants are used depending on the season, you might get a different experience every time you visit.
Checking Out the Room Types and Dinner Style
There are 30 rooms in total, and it seems there's a wide range of types available, from Japanese-style rooms (7.5 tatami mats, 10 mats, 24.5 mats, etc.) to Western-style twin rooms, as well as special Japanese-Western rooms named "Sakura" and "Momiji." The Western-style twin rooms apparently come with a shower room and are barrier-free, which seems like it would be an easy choice for anyone concerned about stairs or steps.
Wi-Fi is apparently available for free throughout the building and in all guest rooms, which is a point of interest for someone like me who prefers staying indoors. Dinner is a Japanese kaiseki-style meal, apparently served either at the restaurant called Kakuremino or in the banquet hall, featuring courses centered on locally sourced ingredients and Chichibu regional dishes. Breakfast seems to be a simple Japanese set meal.
- Check-in/Check-out: Check-in 3:00 PM (until 6:00 PM) / Check-out 10:00 AM
- Room rates: One night with two meals, approximately 10,000-26,000 yen per adult (varies by season, room type, and number of guests)
- Reservations: Available via online booking on the official website, various travel booking sites, or by phone
Nearby, Mi no Yama Park apparently sits adjacent to the summit and is known as a spot for cherry blossoms, hydrangeas, seas of clouds, and night views/stargazing. The location also seems within reach of standard tourist spots like Mine Shrine, famous as a place for financial luck, and the rock formations and river rafting at Nagatoro. By car, it's apparently around 30-something minutes from the Hanazono IC on the Kan-etsu Expressway, and by train, there's a free shuttle bus (reservation required in advance) from Minano Station on the Chichibu Railway. As someone who doesn't drive, having that shuttle bus available feels pretty reassuring.
Rakuten Mobile Signal Conditions
When I checked using the official "My Area Connectivity Simulation" tool by entering the address for this facility's location, no determination result was displayed—instead, a fallback message appeared saying "Currently undergoing temporary maintenance."
It seems this kind of message can appear when address data isn't available for a given location, and there's a good chance that was the case here as well. So, I've decided to treat the overall assessment as "unknown." I can't say for certain whether the signal is good or bad, so that's how I'll leave it.

Honestly, getting an "undetermined" result was a bit of a letdown, but I think it's better to say I don't know when I don't know, rather than forcing myself to write that it "seems fine."



