Forest Resort Conifer Iwabitsu
Reference price as of October 12, 2026 (stay 2026-11-07). US$ is an approximate conversion from yen. Check the booking site for actual rates.
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forumWhat families say
Rakuten Travel rating 4.24 out of 5 (389 reviews). Guests praise the natural onsen of the open-air bath, the sky full of stars, dishes such as Joshu beef and Yamato pork, and the attentive care of the staff.
Kids Facilities
Childcare gear available to borrow and on hand
Childcare gear available to borrow and on hand
A full lineup of childcare gear supports family trips that come with a lot of luggage. A crib, a stroller, a baby-bottle sterilizing kit, a children's kettle, a humidifier and air purifier, and children's yukata (90-120 cm) are available to borrow or already on hand.
- checkCrib
- checkStroller
- checkBaby-bottle sterilizing kit
- checkChildren's kettle
- checkHumidifier and air purifier
- checkChildren's yukata (90, 100, 110 and 120 cm)
- checkBed-wetting pad
- checkDiaper-only trash bin
- checkWet wipes
- checkChair
Natural onsen open-air bath, natural-water communal bath and sauna
Natural onsen open-air bath, natural-water communal bath and sauna
The open-air bath is a natural onsen (a calcium-sodium sulfate-chloride spring), where you can soak while looking out at the fresh green of spring or the autumn foliage. The communal bath is a natural-water bath drawn from Mt. Yakushi and heated, with an authentic Finnish-style sauna attached.
- •A baby bed is provided in the communal bath's changing area
- •Please check with the resort whether children who are not yet out of diapers may use the communal bath
- •The changing area is also reported to have a bath chair for babies
Private-hire family bath with views of the seasons
Private-hire family bath with views of the seasons
The private-hire family bath looks out over the scenery of each season, so your family can bathe privately on your own. Even with young children, you can use it without worrying about other guests.
- •The private-hire family bath is by reservation; let the resort know at least 1 hour before you would like to use it
- •The open-air bath is a natural onsen, but the communal bath and the private-hire family bath are not onsen
Stream play area, sports grounds and the Forest Craft Experience
Stream play area, sports grounds and the Forest Craft Experience
Along with the stream play area about a 15-minute walk from the main building, there are sports facilities including a natural-grass field, a tennis court, a gymnasium and a ground golf course. The Forest Craft Experience, using nuts and wood, absorbs children and adults alike.
Summer-only campground and barbecues
Summer-only campground and barbecues
- calendar_monthSeason:Summer only
At the campground in one corner of the resort, tent stays are possible in summer only, and you can also enjoy barbecues and campfires. It has a cooking area, an outdoor refrigerator and a shower room.
Kaiseki set meals and regional gourmet dining
Kaiseki set meals and regional gourmet dining
Dinner is a kaiseki set meal (a multi-course Japanese meal) served at the restaurant Shiki. Regional gourmet plans are also available, including Joshu beef steak, a Gunma brand, and medicinal-herb shabu-shabu with Yamato pork. Breakfast is a buffet in the restaurant hall.
- •Children under school age (ages 0-2) who co-sleep with no meals and no futon stay free of charge
Categories
Overview
Forest Resort Conifer Iwabitsu is a resort of 56,000 tsubo (a traditional Japanese unit of land area) set in the natural surroundings of Agatsuma-kyo Onsen in Gunma. The open-air bath is a natural onsen, while the communal bath is filled with heated natural water from Mt. Yakushi, and there is a Finnish-style sauna and a private-hire family bath as well. A generous range of childcare gear is available to borrow, including a crib, a stroller and a baby-bottle sterilizing kit, and children under school age who co-sleep stay free of charge. With Japanese-style tatami rooms, authentic log cabins, a campground, sports grounds and a stream play area, it is a place the whole family can settle into.
This is a vast forest resort of 56,000 tsubo (a traditional Japanese unit of land area) at Agatsuma-kyo Onsen in Higashiagatsuma, Gunma Prefecture. Alongside the Japanese-style tatami rooms and Western-style rooms in the main building, there are authentic log cabins built from logs brought in from Canada, and even a campground open in summer only, so it suits everything from family trips to group training camps. Wrapped in birdsong and the scent of the trees, you can take your time and look up at a sky full of stars.
Baths
The open-air bath the resort is proud of is a natural onsen (a calcium-sodium sulfate-chloride spring, hypotonic, weakly alkaline and high-temperature), where you can soak while looking out at the fresh green of spring or the autumn foliage. The communal bath is a mineral-rich natural-water bath drawn from Mt. Yakushi and heated, with an authentic Finnish-style sauna attached. There is also a private-hire family bath looking out over the scenery of each season, where families can bathe privately on their own. A baby bed is provided in the communal bath's changing area.
Childcare Gear and Traveling with a Baby
The resort keeps a full lineup of childcare gear to support family trips that come with a lot of luggage. Items available to borrow or already on hand include a crib, an air purifier, a humidifier, children's yukata (90, 100, 110 and 120 cm), a stroller, a baby-bottle sterilizing kit, a children's kettle, a bed-wetting pad, a chair, wet wipes and a diaper-only trash bin. Children under school age who co-sleep with no meals and no futon stay free of charge.
Dining
Dinner is served at the restaurant Shiki, a kaiseki set meal (a multi-course Japanese meal) made with ingredients from the mountain village through the seasons. Regional gourmet plans are also available, such as Joshu beef steak, a Gunma brand, and medicinal-herb shabu-shabu using Yamato pork, a Gunma specialty. Some menus feature seafood delivered directly from an affiliated fish shop, and breakfast is a buffet in the restaurant hall, where sunlight filters in through the trees.
Rooms
There are 13 Japanese-style tatami rooms and 12 Western-style rooms for 2 or 4 guests, plus a varied set of log cabins: barrier-free Western-style, Japanese-Western style, with a piano, and pet-friendly. Japanese-style tatami rooms are available too, which makes for an easy layout when you are traveling with a baby at the crawling stage.
Play and Activities
The grounds hold sports facilities including a natural-grass field, an all-weather tennis court, a gymnasium and a ground golf course, and you can also enjoy table tennis, barbecues and campfires. There is plenty of outdoor play to make the most of nature, from the stream play area a 15-minute walk from the main building to the Forest Craft Experience, where you make things out of nuts and wood. Nearby are the ruins of Iwabitsu Castle, Fudo Falls and hiking trails suited to families.
Access & Information
| location_onAddress | 4399 Haramachi, Higashiagatsuma-machi, Agatsuma-gun, Gunma 377-0801 |
|---|---|
| directions_carAccess | About 8 minutes by free shuttle bus from Gunma-Haramachi Station on the JR Agatsuma Line; the shuttle runs until 6 p.m. A free bus from Asagaya also runs on an irregular schedule. |
| trainNearest station | Gunma-Haramachi Station |
| local_parkingParking | Free parking for 30 cars, with no reservation required. |
| callPhone | +81-279-68-5338 |
| paymentsCards | VISA, JCB, American Express, Diners Club, Mastercard |
| languageOfficial site | https://www.iwabitsu.co.jp/open_in_new |
Map
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Reference price as of October 12, 2026 (stay 2026-11-07). US$ is an approximate conversion from yen. Check the booking site for actual rates.
Check rates & availability
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Frequently Asked Questions
What ages is Forest Resort Conifer Iwabitsu best suited to?
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It has facilities that work especially well for babies and toddlers (ages 0 to 2) and children aged 3 and over. There is no age limit, and families with children of any age can stay.
Does Forest Resort Conifer Iwabitsu have baby beds?
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Baby beds are available to rent. See the Kids Facilities section on this page for details.
Is there parking at Forest Resort Conifer Iwabitsu?
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Parking: Free parking for 30 cars, with no reservation required.
How do you get to Forest Resort Conifer Iwabitsu?
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About 8 minutes by free shuttle bus from Gunma-Haramachi Station on the JR Agatsuma Line; the shuttle runs until 6 p.m. A free bus from Asagaya also runs on an irregular schedule.
Can we borrow yukata in children's sizes?
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Children's yukata are available in 90, 100, 110 and 120 cm sizes.
Is there anything for diaper changes?
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Wet wipes and a diaper-only trash bin are provided.
Is there a charge for a child co-sleeping?
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Children under school age who co-sleep with no meals and no futon stay free of charge. A full range of childcare gear is on hand as well, including a crib, children's yukata, a baby-bottle sterilizing kit and a diaper-only trash bin.
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Information on this page was compiled by directly consulting Official website, Rakuten Travel, Jalan (last verified: August 2026). Prices, availability and seasonal operations change. Please check each booking site for the latest information.
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