Waterpark
[Opening Summer 2026]
New Sunpia Saitama Ogose Outdoor Waterpark
The large outdoor leisure pool "Forest Aqua Park in Ogose" at "New Sunpia Saitama Ogose," located in the nature-filled town of Ogose, Iruma-gun, Saitama Prefecture, will be open again in the summer of 2026!
This summer-only leisure pool offers a lazy river, water slides, and children's and toddler pools, making it a place where the whole family can enjoy themselves all day long.
Recommended for summer vacation outings, family trips, and day trips within Saitama Prefecture.
Enjoy creating summer memories at our spacious pool surrounded by nature.
Pool operating days and hours
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Business days
July 4th (Sat) and 5th (Sun), 2026
July 11th (Sat) and 12th (Sun), 2026
Summer operating period
Saturday, July 18, 2026 - Monday, August 31, 2026
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Opening hours : 10:00 - 17:00
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*We may close due to weather conditions.
Usage fee (tax included)
Adults (middle school age and older):
Weekdays (Monday-Friday): 1,800 yen (1,500 yen after 3:00 PM)
Holidays (August 8th - August 16th): 2,300 yen
Elementary school students (ages 4 to elementary school):
Weekdays (Monday-Friday): 1,200 yen ( 1,000 yen after 3:00 PM)
Holidays (August 8th - August 16th): 1,200 yen
★☆Great Deal☆★
"Accommodation plan with 2 days of pool access"
Reservations are now being accepted!
We offer a popular package that includes two days of pool access and accommodation, perfect for a full day of fun.
For unforgettable summer memories, please come and enjoy our services with your family and friends!
Shop/Snack Corner
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The park will also be selling light snacks and gourmet food perfect for summer, such as shaved ice, fries, takoyaki, and ramen.
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We also sell pool accessories such as inflatable rings.
Access and Parking Information
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Parking: Free (approximately 200 spaces)
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*Please note that the parking lot may be full by midday on weekends, public holidays, and during the Obon period.
Reasons why it's popular with families
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Equipped with a lazy river, water slides, and a children's pool.
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Designed with a depth that is safe even for those with small children.
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After swimming, relax in the natural hot spring "Ume no Yu".
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Outdoor tents and picnic blankets are allowed.
This summer, enjoy the nature-rich New Sunpia Saitama Ogose
Let's create cool and fun memories at the leisure pool !
Photo Gallery
About pool types and water depths
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Lazy River Pool: Water depth 90cm (A popular spot with a total length of approximately 150m)
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Children's pool: 62cm deep (suitable for elementary school children to toddlers)
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Toddler pool: Water depth 21cm (suitable for preschool children)
*For children who are not yet potty-trained:
Please ensure your child wears a swim diaper under their swimsuit, and only use the children's pool .
Water slide types and conditions
Tube Slider
Type: Large water slide x 1
Height restriction: 120cm or taller
Water depth upon entry: 55cm
Straight slider
Type: Medium-sized slider (2 out of 4)
Height restriction: None
Water depth upon entry: 75cm
Curved slider (yellow)
Panic Slider (Red)
Type: Medium-sized slider (2 out of 4)
Height restriction: 100cm or taller, under 150cm
Water depth upon entry: 65cm
Wide slide
Type: Children's slide
Height restriction: None
Water depth upon entry: 65cm
Toddler slide
Type: For toddlers only
Height restriction: None
Water depth upon entry: 20cm
All slides are designed with safety in mind, taking into account children's height and water depth.
Your family can enjoy it with peace of mind.
Precautions
*Children who are not yet potty-trained should wear a swim diaper under their swimsuit.
Please note that only the children's pool is available for use.
*Swim diapers are available for purchase at the hotel shop for 300 yen each.
*Please note that we do not allow outside food for hygiene reasons.
*Entry is prohibited for those with tattoos (including temporary tattoos).
*Please note that on some dates, the pool area may be reserved exclusively for hotel guests.
*We will be closed in case of bad weather.
Frequently Asked Questions
Q: What payment methods can I use?
A: At the entrance, only coins and ¥1,000 bills can be used. *New-design banknotes are accepted.
Cashless payments (transportation IC cards/nanaco/WAON/Rakuten Edy/iD/QUICPay+/Alipay/WeChat Pay/Merpay) are also accepted.
Q: Can I use the pool only?
A: Yes, you can.
Q: Are there discounted pool admission rates?
A: Yes, discounted admission rates after 3:00 PM are available only on the following designated dates.
【Afternoon Discount Eligible Dates】
August 5–8
August 18–22, August 25–29
【Afternoon Discount Rates】 (After 3:00 PM)
・Adults: ¥1,500 (Regular ¥1,800)
・Children: ¥800 (Regular ¥1,200)
Visiting in the afternoon is also highly recommended.
Q: Is there a time limit for using the pool?
A: No, there is no time limit.
Q: Are same-day tickets available?
A: Yes, they are.
Q: Can tickets purchased on the day be used on a later date?
A: No, they cannot.
Q: Are there coin lockers for valuables?
A: Yes. *Large lockers: ¥500 Small lockers: ¥300
Q: Is there a limit on the number of people allowed to enter?
A: Admission may be restricted depending on the number of guests using the facility.
Q: Does the pool get crowded?
A: On weekdays, it can be somewhat crowded depending on the weather and other conditions.
On weekends and public holidays, it can be very crowded.
*During the peak season in previous years:
【Ticket Machine Line】Guests began lining up from around 8:30 AM.
Q: Does the parking lot get crowded?
A: Depending on the weather and other conditions, the parking lot usually becomes full from around 10:30 AM on weekends and public holidays.
Depending on conditions, parking spaces generally begin to become available from around 1:00 PM.
*During the peak season in previous years:
【Parking Spaces】The parking lot became full between 10:00 AM and 10:30 AM.
Q: Are advance tickets for the pool available?
A: Currently, advance admission tickets are not available through “Jalan Activities & Experiences.”
*If advance ticket sales resume, information will be provided on our official website and various booking sites.
Q: Can I re-enter the pool area?
A: Re-entry is permitted, but during busy periods, re-entry will be allowed from 12:00 PM.
Q: Can I walk around the poolside wearing sandals or water shoes?
A: Yes, you can. However, sandals, water shoes,
and similar footwear cannot be worn in the pool or on the waterslide.
Q: Can I enter the pool while wearing glasses or sunglasses?
A: To prevent accidents, glasses and sunglasses may be worn if they are secured with a strap to prevent them from falling off.
Q: Can a parent enter to accompany their child even if they do not plan to swim?
A: Yes, as long as the admission fee is paid.
Q: Is there a waiting area for accompanying guests who do not enter the pool?
A: Yes. You may wait in the dining area/free rest area on the 1st floor of Ume-no-Yu in the hotel building.
【Rest Area Hours】9:00 AM–9:00 PM
【Dining Area Hours】11:30 AM–3:00 PM 5:00 PM–8:00 PM
*Children of junior high school age or younger must be accompanied and supervised by an adult inside the pool area.
Children of elementary school age or younger, or those under 140 cm tall, must be accompanied in the water by an adult wearing swimwear.
Q: Can children use the pool by themselves?
A: Children of junior high school age or younger must be accompanied and supervised by an adult inside the pool area.
Children of elementary school age or younger, or those under 140 cm tall, must be accompanied in the water by an adult wearing swimwear.
Q: Are strollers allowed?
A: Strollers may be brought into the pool area.
Q: Do you sell multi-use passes?
A: Discounted 5-visit pool passes are available for purchase at the pool reception.
Adults: ¥8,800 ／ Children: ¥5,500
Q: Is there an air pump for inflatable swim rings?
A: Yes. An air compressor is available in front of the pool shop.
Q: Can I use suntan oil or sunscreen?
A: Yes, but please shower and rinse off any oil before entering the pool.
Q: Can I bring inflatable swim rings and beach items?
A: Inflatable swim rings and similar items may be brought into the pool area, but oversized items may not be permitted during busy periods.
Other items such as swim fins, boats, snorkels, and surfboards are not permitted.
Q: Can I enter if I have tattoos or temporary tattoo stickers?
A: No. Guests with tattoos or temporary tattoo stickers are not permitted to enter.
Q: Is there a smoking area inside the pool area?
A: There is no smoking area inside the pool area, but a designated smoking area is available near the pool entrance/exit.
Q: Can children who are still wearing diapers enter the pool?
A: A designated area for young children is available.
Young children wearing swim diapers may use this area.
Swim diapers (sizes M and L) are also available for purchase at the hotel shop.
Q: Are there shaded areas?
A: Yes, but shaded areas are limited and usually fill up as soon as the pool opens.
Q: Can I bring a tent?
A: Large tents, such as parasols, event tents, and tarp tents, are not permitted.
Pop-up tents should be limited to a size suitable for approximately two people.
Q: Can I bring a folding wagon or outdoor wagon?
A: With the exception of strollers, wheeled items are not permitted.
We appreciate your cooperation in helping protect small children from collisions and other accidents.
Q: Can I bring food and drinks?
A: In accordance with guidance from the public health authorities, outside food is not permitted.
For meals, please use the light meal area inside the pool facility or “Kaachan Shokudo” at the natural hot spring Ume-no-Yu.
Q: Can I eat at the hotel restaurant or Kaachan Shokudo while using the pool?
A: Yes. A re-entry pass will be provided.
Please ask at the pool reception when you wish to use these dining facilities.
【Kaachan Shokudo】11:30 AM–3:00 PM 5:00 PM–8:00 PM
【Restaurant】Closed from Saturday, July 19, 2025 through Sunday, August 31, 2025
*Reopens Monday, September 1, 2025／Closed on Wednesdays
Q: Can I enter the restaurant or Ume-no-Yu while wearing swimwear?
A: No, you cannot.
Q: Can I enter the hotel while wearing swimwear?
A: No, you cannot.
Q: What items are sold at the pool?
A: The shop on the 2nd floor of the pool facility sells light meals (noodles, rice bowls, and hot snacks).
Water-play toys such as inflatable swim rings and water guns are also available for purchase.
Goggles are also available.
Q: Is alcohol sold at the pool?
A: Yes. Alcohol is available at the shop on the 2nd floor of the pool facility and from vending machines.
Q: Are swimsuits sold at the pool?
A: We apologize, but swimsuits are not available for purchase.
Q: Is there a discounted admission rate for guests with disabilities?
A: We apologize, but there is no disability discount available.
Q: Is there a swimsuit spin dryer?
A: Yes. It is available free of charge.