I Looked Into Miyagino Onsen Kaikan

So far, I've been looking into not just campgrounds but also day-trip hot spring facilities that seem accessible without a car, bit by bit as a series.

This time, I looked into Miyagino Onsen Kaikan, which is operated by Hakone Town. Since it's a town-run facility, I was curious about the pricing, and since it's in the Hakone area, I'd also been wondering for a while what kind of signal rating Rakuten Mobile would get there.

The Short Version

My impression was that this facility offers calm, town-run pricing and lets you relax and enjoy both an indoor bath and an outdoor bath.
As for Rakuten Mobile signal, the official tool gave a rating of "C," so if you're planning to use it there, it seems like a good idea to check in advance.

I've summarized the details below.

What Kind of Facility Is Miyagino Onsen Kaikan?

Miyagino Onsen Kaikan is apparently a town-run day-trip hot spring facility located in the Miyagino area of Hakone Town, Kanagawa Prefecture. It's open from 10:00 AM to 9:00 PM (last entry at 8:00 PM), and it's closed every Thursday (or the following business day if Thursday is a holiday). No reservation is needed, so it seems like the kind of place you can drop by on a whim.

As for pricing, the bathing fee is apparently 650 yen for adults (age 12 and up, including a 50 yen bathing tax), 300 yen for children (ages 6 to under 12), and free for children 5 and under. If you use the rest area, there's apparently an additional charge of 400 yen for adults and 200 yen for children per 2 hours. Note that residents of the town seem to get a different rate, so it's probably best to check the official website for details.

Address area: Miyagino, Hakone Town, Kanagawa Prefecture
Hours: 10:00 AM–9:00 PM (last entry 8:00 PM)
Closed: Every Thursday (or the following business day if it falls on a holiday)
Reservations: Not required (phone inquiries are also apparently possible)

Komorin

A town-run onsen you can drop by without a reservation feels really easygoing, even for an indoor type like me. That said, since I have a license but don't actually drive, I feel like I need to properly research how to get there.

Checking the Water Quality and Rest Area

The water quality is apparently a sodium-calcium chloride-sulfate hot spring, and the listed benefits include things like lower back pain, neuralgia, poor circulation, fatigue recovery, and general health promotion—the kind of effects typically associated with therapeutic bathing. Both indoor and outdoor baths seem to be provided separately for men and women.

As for the rest area, there's an 85-tatami-mat great hall on the second floor that can also be used by groups, and it's apparently fine to bring your own food and drinks. That might be a nice point for anyone who wants to relax and take their time. The entrance hall in front of the reception desk also seems to be freely available for use.

Soap and hair dryers are apparently free to use, while face towels and coin lockers cost extra. It seems you'll need to bring your own bath towel, shampoo, and conditioner, so it's worth preparing those before you go. There's a free parking lot for Miyagino Onsen Kaikan, but I couldn't find the number of available spaces mentioned on the official website. I also wasn't able to confirm whether there's a sauna or Wi-Fi from the official website.

A Quick Look at Nearby Attractions and Food

Nearby there's the Hakone Miyagino International Trout Fishing Pond, said to be just a short distance from Miyagino Onsen Kaikan. It apparently also has barbecue facilities that require reservations, so some people might combine that with a soak in the hot spring. Additionally, at Miyagino Suwa Shrine, a nationally designated intangible folk cultural property called the Miyagino Yudate Lion Dance is apparently performed every year on July 15th, so you might get to see it if the timing works out.

As for food, options that came up included a restaurant along Route 138 specializing in Japanese mountain yam dishes, a coffee shop popular for its hearty portions, a burger place that also offers takeout, and a shop serving 100% buckwheat soba. That said, this information comes from general search results rather than the official website, so it's probably a good idea to check for the latest information before actually visiting.

Rakuten Mobile Signal Conditions

When I checked this facility's location using the official "My Area Connectivity Simulation" tool, the overall rating came back as "C."

Given the C rating, my impression is that it's worth checking in advance depending on the exact spot. Since the Hakone area has a lot of mountainous terrain, signal reception may vary quite a bit from place to place. If you're planning to actually use it there, checking the official tool beforehand should give you some peace of mind.

Komorin

I'll just share the honest result as it is, but that C rating is a bit of a concern. Since I'm a Rakuten Mobile user myself, if I ever go there, I'd want to check in advance before heading out.

See Rakuten Mobile Details

Wrapping Up

To sum it up again, my overall impression of Miyagino Onsen Kaikan is that of a calm, relaxed day-trip hot spring where you can enjoy both an indoor and an outdoor bath at affordable, town-run rates. Being able to relax in the 85-tatami-mat great hall might also be a nice point for anyone who wants to take it easy.

As for Rakuten Mobile signal, the official tool gave a result of "C," so if you're concerned about signal conditions, it's probably a good idea to check the official tool as well.

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