Karuizawa Area

I Looked Into Karuizawa Prince Hotel West

2026-09-10

I Looked Into Karuizawa Prince Hotel West

In this blog, I've been gradually looking into inns and campsites that I, someone without a car, might be able to get to, as an ongoing series.

This time, I looked into Karuizawa Prince Hotel West. I came across some information saying you can get there from Karuizawa Station via a pickup bus, and as someone with a license but basically no driving experience, that really caught my attention.

The Short Version

You can get there from Karuizawa Station by pickup bus, and it seems to have everything from a natural hot spring reserved for guests to a coworking room, so this place seemed like a really good match for someone like me who's carless and more of an indoor type.
As for Rakuten Mobile signal, the official tool gave it an AAA rating, which is a good result.

I've put together the details below.

What Is Karuizawa Prince Hotel West Like?

It's a hotel located in Karuizawa Town, Kitasaku District, Nagano Prefecture, apparently operated by Prince Hotels & Resorts. There seem to be multiple hotel buildings on the grounds besides West, but this time I focused on West specifically, since that's the one where I could confirm matching information on the official website.

Check-in starts at 3:00 PM, and if you're arriving after 10:00 PM, it seems you need to contact them in advance. As for check-out, there was information saying you can extend it for a fee up to as late as 3:00 PM, but I couldn't find the standard check-out time itself listed in the official FAQ, so that part remains unconfirmed.

There's no specific pricing listed for accommodation; it seems to vary depending on seasonal plans like time-limited sales, a late summer plan, or an autumn travel plan. There's apparently also a best-price guarantee for members, so if you're curious, checking availability on the official site directly seems like the surest way to find out.

Reservations can apparently be made through the form on the official website, or by phone. Checking, changing, and canceling reservations can also be done through a dedicated page.

Komorin
Komorin

It's a little concerning that the standard check-out time isn't clearly stated, but having the option to extend it might actually be a nice point for someone like me who tends to oversleep.

Checking Out the Facilities: Hot Springs, Coworking Space, and More

What caught my attention the most while researching was the natural hot spring reserved for guests, called MOMIJI HOT-SPRING. It apparently has both an indoor bath and an open-air bath, and I got the feeling that even someone like me, who's more of an indoor type, could enjoy a hot spring as its own separate thing.

Here are some of the other facilities I was able to confirm:

  • Cottage area: There are detached-house-style lodging buildings, and it seems dog-friendly cottages are also available
  • Restaurant & bar: There are apparently dining facilities such as Primrose
  • Golf course: There seems to be a 9-hole course
  • Activity park: There's apparently a ski area and activity facility called Karupuri no Mori
  • Coworking room: There seems to be a workspace called "by H¹T"
  • Self check-in kiosks: Apparently there are three units installed in the main lobby
  • EV charging stations: There seem to be four standard charging spots in the parking area

Parking for guests is 1,000 yen per night per vehicle, and it seems a pass card is issued that's valid until 10:00 PM on your departure day. Even if someone drives you there, being able to leave a car until that time seems like it could be reassuring.

How to Get There Even Without a Car

This was actually the main reason I chose to look into this place: apparently there's a pickup bus running between Karuizawa Station and the various hotel buildings. According to the explanation, you can get on and off anywhere within the area, which felt like a really helpful system for someone like me without a car. That said, I couldn't find specifics like the timetable, how often it runs, or whether it's free or paid, listed on the official website, so that part remains unconfirmed. It might be worth checking with them when you book or before you arrive.

Within the grounds, there's also apparently a circulating shuttle called the West Cottage Bus that runs roughly every 15 minutes, so getting around the spacious property didn't seem like it would be too much trouble.

Rakuten Mobile Signal Conditions

When I checked this facility's location using the official "my area Coverage Simulation" tool, the overall rating came back as "AAA."

I haven't actually tried using it on-site, but the official tool gave it a rating that looks good. As a Rakuten Mobile user, this seems like a helpful reference point, at least for now.

Komorin
Komorin

When I see an AAA rating, it genuinely makes me feel good about writing "that's great." It got my imagination running about relaxing in the hot spring while checking my phone.

That said, how the signal actually feels can vary depending on your device and circumstances, so if you're concerned, checking in advance with Rakuten Mobile's official tool seems like a good way to put your mind at ease.

Wrapping Up

To sum up, my impression of Karuizawa Prince Hotel West was that it's a hotel you can reach by pickup bus even without a car, complete with a guest-only hot spring and a coworking room, making it seem like a comfortable place to stay even for indoor types like me.

There were a few things I couldn't figure out from the official website alone, like the standard check-out time, specific pricing, and the pickup bus timetable. If you're actually considering booking, it seems like a good idea to confirm these details by phone or through the inquiry contact on the official site.

As for Rakuten Mobile signal, the official tool gave an AAA rating, so I felt that could serve as a useful reference point when it comes to connectivity.

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