✓ New play equipment "Wide Slider" for parent-child fun!

✓ "Cool Area" for midsummer snow play opens, with limited-time "Snow Spreading Experience"!

✓ Extended operating hours in conjunction with Saitama Seibu Lions' "Ao Fes 2026"!

✓ July 20 (Mon, Hol) "Marine Day Special Day," plus many events and workshops during summer vacation!

The "2026 Water Festival" at Sayama Ski Resort (Tokorozawa City, Saitama Prefecture), operated by Seibu Recreation Co., Ltd. (Head Office: Tokorozawa City, Saitama Prefecture, President: Tatsuya Yoda), with the concept of "Is there the sea in Tokorozawa!? Friends of the sea gather!", will start daily operations as the "Super Water Festival" from July 10 (Fri) to August 31 (Mon).

At the "Super Water Festival," starting July 18 (Sat), new play equipment "Wide Slider" will be introduced, along with the opening of Sayama Ski Resort's unique "Cool Area" where you can play with "snow," and a limited-time "Snow Spreading Experience."

Additionally, as a special project unique to the Seibu Group, operating hours will be extended until 6:00 PM on select dates in conjunction with the "Ao Fes 2026" event hosted by Seibu Lions Co., Ltd. (Head Office: Tokorozawa City, Saitama Prefecture, President: Tsuyoshi Okumura). Events will also feature appearances by Leo, the official mascot character of the Saitama Seibu Lions, and the idol sister duo "Kaoru and Nagisa" from the shopping street of Seibuen Amusement Park (Location: Tokorozawa City, Saitama Prefecture, General Manager: Tomohiro Nishida).

On July 20 (Mon, Hol), Marine Day, a "Marine Day Special Day" themed around sea creatures will be held. This one-day event is perfect for creating your first summer vacation memory, allowing you to enjoy special content while feeling the presence of sea friends. All visitors on this day (excluding those aged 2 and under) will receive a coupon for future use at the "2026 Water Festival."

Furthermore, during the summer vacation period, there will be a TV Saitama Presents project titled "Tele-tama-kun Special Day," featuring live broadcasts and public recordings of TV programs. There will also be concerts and events with various guests, including Dr. Tarako from Mentaiko Park, workshops such as "Sea Creature Cardboard Hat Making" to support summer vacation research projects, and food trucks offering cooling gourmet treats.

Enjoy your summer leisure to the fullest at Sayama Ski Resort, where you can experience the "sea" right here in Tokorozawa, with your family and friends!

Daily Operations Begin! Enjoy the Peak of Summer with New Play Equipment and Snow Play at the "Super Water Festival"!

【Period】 July 10, 2026 (Fri) - August 31, 2026 (Mon)

【Operating Hours】 10:00 AM - 5:00 PM (Last admission 4:00 PM)

※Operating hours will be extended to 6:00 PM on dates collaborating with "Ao Fes 2026."

New Play Equipment "Wide Slider" Arrives on July 18 (Sat)!

Perfect for a hot summer! A bouncy inflatable slide with water flowing down it.

Fun for everyone from small children to adults.

【Specifications】

Approx. 4.5m wide, approx. 2m high, approx. 6.4m long

Height restriction: 90cm or taller

※Children under 90cm must be accompanied by a guardian.

Image of Wide Slider

"Cool Area" Finally Opens

Starting July 18 (Sat), the "Cool Area" where you can play with Sayama Ski Resort's unique "snow" will open at the top of the slope!

In conjunction with this, the limited-time midsummer event "Snow Spreading Experience" will be held to blow away the heat!

【Dates】 July 18 (Sat) - August 16 (Sun) *Planned

【Time】 10:00 AM - 1:00 PM

【Location】 Cool Area

【Participation Fee】 Free

【Capacity】 None

【Target】 Children elementary school age and younger

Snow Spreading Experience

July 20 (Mon, Hol) Only! "Marine Day Special Day" with Sea Friends Gathering!

1 Visitor Benefit

All visitors on July 20 (Mon, Hol), Marine Day, will receive an admission discount coupon for "2026 Water Festival." Please visit again to make summer vacation memories.

【Details】

Coupon tickets usable on your next visit will be distributed.

- Weekdays: 1,000 yen OFF

- Weekends/Holidays/Special Days: 300 yen OFF

※Valid from July 25 (Sat) to August 31 (Mon).

※Special days include Saturdays and Sundays in August, and August 10 (Mon) - 14 (Fri).

※Cannot be combined with other coupons or discounts.

【Target】 All visitors aged 3 and up

Image

2 Sea Adventure Parade Show & Stage Show

Enjoy singing and instrumental performances with a sea theme by "Mahomujika"!

【Time】 (1) 12:00 PM - Parade Show

(2) 2:00 PM - Stage Show

【Location】 (1) Slope Area (Near Food Court)

(2) Ryugu Castle Area (Event Stage)

【Participation Fee】 Free

【Capacity】 None

【Target】 Children elementary school age and younger

Mahomujika

3 Bubble Treasure Hunt ~Marine Day Version~

The popular "Bubble Treasure Hunt" will be held in a Marine Day version!

Try to win prizes related to the "sea"!

【Time】 11:00 AM onwards

【Location】 Ryugu Castle Area (Event Stage)

【Participation Fee】 500 yen (includes 1 play ticket)

【Capacity】 150 people (50 people x 3 sessions)

【Target】 Children elementary school age and younger

Bubble Treasure Hunt

4 Marine Day Art Board

Let's complete a work of art together with a theme of marine life!

【Time】 11:00 AM - 4:00 PM (Free participation within hours)

【Location】 Seabed Area

【Participation Fee】 Free

【Capacity】 None

【Target】 All visitors

Production Image

August 7 (Fri) is TV Saitama Presents! Tele-tama-kun Special Day

1 Let's Dance with Yoshi-oniisan! Tele-tama-kun Dance (Public Recording)

【Time】 12:00 PM - / 2:30 PM -

【Location】 Ryugu Castle Area (Event Stage)

【Participation Fee】 Free

【Capacity】 None

【Target】 Children elementary school age and younger

※Scheduled to air on Tele-tama's "Information Program Machikomi" (on one of the broadcast dates between August 12 (Wed) and 21 (Fri)). Filmed videos and still images will be broadcast without mosaic processing.

Kobayashi Hisashi, Monday Personality of Information Program Machikomi

2 Bubble Treasure Hunt ~Tele-tama-kun Version~

The popular "Bubble Treasure Hunt" will be held in a "Tele-tama-kun Version"!

Prizes will be Tele-tama-kun merchandise, and Tele-tama-kun will also appear!

【Time】 11:00 AM onwards

【Location】 Ryugu Castle Area (Event Stage)

【Participation Fee】 500 yen (includes 1 play ticket)

【Capacity】 100 people

【Target】 Children elementary school age and younger

Image

3 Original Tele-tama-kun Workshop

Let's make original Tele-tama-kun figures with paper clay with Tele-tama announcers!

【Time】 2:00 PM - / 3:30 PM -

【Location】 Special Area (Next to Food Court)

【Participation Fee】 Free

【Capacity】 15 people each

【Target】 Children elementary school age and younger

Original Tele-tama-kun Production Image

4 Aim for the Cover of the Tele-tama Program Guide! Drawing Corner

Apply for the illustration contest for the cover of the Tele-tama program guide and brochures!

【Time】 11:00 AM - 5:00 PM (Free participation within hours)

【Location】 Special Area (Next to Food Court)

【Participation Fee】 Free

【Capacity】 None

【Target】 Children elementary school age and younger

Tele-tama-kun Drawing Production Image

※Scheduled to broadcast event footage from August 7 (Fri) 4:30 PM - 5:30 PM on the information program Machikomi (local slot). Filmed videos and still images will be broadcast without mosaic processing.

Special Events During Summer Vacation ♪

<July Events>

1 Kaoru and Nagisa's Happy Concert

The idol sister duo "Kaoru and Nagisa" and residents from the shopping street of Seibuen Amusement Park are coming!

【Date】 July 11 (Sat)

【Time】 12:00 PM - / 2:00 PM -

【Location】 Ryugu Castle Area (Event Stage)

【Participation Fee】 Free

【Capacity】 None

【Target】 Children elementary school age and younger

※"Double Ticket" for Seibu-en Amusement Park x Sayama Ski Resort on sale until July 16 (Thu)! Summer is just beginning!

Details here

2 Let's Have Fun with Dr. Tarako! "Bubble Treasure Hunt ~Mentaiko Park Version~"

Dr. Tarako from Mentaiko Park appears at Sayama Ski Resort! The popular event "Bubble Treasure Hunt" will be held in a special Mentaiko Park version. Participants will receive "Mentaiko Park snacks"!

A special Mentaiko Park booth will also be set up inside the facility.

【Date】 July 25 (Sat) & 26 (Sun)

【Time】 11:00 AM onwards

【Location】 Ryugu Castle Area (Event Stage)

【Participation Fee】 500 yen (includes 1 play ticket)

【Capacity】 None

【Target】 Children elementary school age and younger

Dr. Tarako

"Ao Fes 2026" Collaboration Project

1 Leo, the official mascot character of the Saitama Seibu Lions, will appear for a bingo tournament where you can win Lions merchandise.

【Date】 July 31 (Fri)

【Time】 2:00 PM -

【Location】 Ryugu Castle Area (Event Stage)

【Participation Fee】 500 yen (includes 1 play ticket)

【Capacity】 100 people

【Target】 Children elementary school age and younger

Leo, the official mascot character of the Saitama Seibu Lions

2 During the "Ao Fes 2026" event period, operating hours will be extended by one hour on days when games are held at Belluna Dome.

Cool off at the Water Festival and then cheer on the Lions! Enjoy a full day!

【Target Dates】 July 31 (Fri), August 7 (Fri), 8 (Sat), 14 (Fri), 19 (Wed), 20 (Thu), 25 (Tue), 26 (Wed)

※Applies to days with 6:00 PM game start.

【Operating Hours】 10:00 AM - 6:00 PM (Last admission 5:00 PM)

Details of Ao Fes 2026 events here

<August Events>

1 Sea Creature Balloon Ring Making

Take home your handmade balloon bracelet as a souvenir!

【Date】 August 2 (Sun)

【Time】 11:00 AM - 3:00 PM

【Location】 Special Area (Next to Food Court)

【Participation Fee】 Free

【Capacity】 None

【Target】 Children elementary school age and younger

Master

2 Japanese Drum Performance & Workshop

A Japanese drum group based in Higashiyamato City makes their debut at Sayama Ski Resort!

Immerse yourselves in the sound of Japanese drums and enjoy a summer festival atmosphere!

【Date】 August 12 (Wed)

【Time】 (1) Performance: 12:00 PM - / 2:00 PM -

(2) Workshop: 12:30 PM - / 2:30 PM -

【Location】 Ryugu Castle Area (Event Stage)

【Participation Fee】 Free

【Capacity】 (1) None

(2) 15 people

【Target】 Children elementary school age and younger

※Performances are open to everyone.

Yamato Mahoroba Daiko

3 Sea Creature Cardboard Hat Making Workshop

Create original hats from cardboard with a sea creature theme!

You can take your hat home, making it perfect for summer vacation research projects.

【Date】 August 23 (Sun)

【Time】 11:00 AM - 4:00 PM

【Location】 Special Area (Next to Food Court)

【Participation Fee】 Free

【Capacity】 10 people per session *Rotates every 30 minutes

【Target】 Children aged 5 to elementary school age

Cardboard Hat Image © Atelier Yamada

4 Advance! Cardboard Maze Painting Team

Draw freely as you navigate through a large cardboard maze!

【Date】 August 30 (Sun)

【Time】 11:00 AM - 4:00 PM

【Location】 Special Area (Next to Food Court)

【Participation Fee】 Free

【Capacity】 15 people per session *Rotates every 30 minutes

【Target】 Children aged 5 to elementary school age

Cardboard Maze Image © Atelier Yamada

Popular with Kids! New Gourmet Items Also Available

Perfect for the hot summer! A new sensation of chilled sweets made by shaving frozen strawberries and melons!

Popular long potatoes and fried chicken have also been added, with a wide variety of recommended gourmet options!

Classic items like curry and Saiboku frankfurters are also available!

【New Menu Items】

Menu Name

Price

Shaved Strawberry

800 yen

Shaved Melon

800 yen

Long Potato

*Toppings (ketchup, mayonnaise, hot chili, mentaiko mayo, cheese sauce) 100 yen each

700 yen

Fried Chicken (5 pieces)

700 yen

Long Potato & Fried Chicken

1,200 yen

Shaved Strawberry & Shaved Melon

Long Potato & Fried Chicken

2026 Water Festival Operating Overview

Operating Days

Daily operations from July 10 (Fri) to August 31 (Mon)

Saturdays, Sundays, and Mondays from May 9 (Sat) to July 6 (Mon)

Saturdays, Sundays, Holidays, and Mondays from September 5 (Sat) to September 27 (Sun)

Operating Hours

10:00 AM - 5:00 PM (Last admission 4:00 PM)

Admission Fees (per person/per day)

*Re-entry allowed

Weekdays

Weekends/Holidays

Special Days

Adult (Junior high school student and older)

1,500 yen

1,600 yen

1,900 yen

Child (3 years old - Elementary school student)

1,300 yen

1,400 yen

1,700 yen

※Children aged 2 and under are free.

【Special Days】

Saturdays and Sundays in August, and August 10 (Mon) - August 14 (Fri)

Sayama Ski Resort Facility Overview

【Location】 2167 Kamiyamaguchi, Tokorozawa City, Saitama Prefecture, 359-1153

【Access】 【Train】Approx. 3-minute walk from Seibu-Shinjuku Line/Sayama Line/Yamaguchi Line (Leona Liner) "Seibu Kyujo Mae" Station

【Car】Approx. 12km from Kan-Etsu Expressway Tokorozawa I.C. (approx. 30 minutes under normal conditions)

Approx. 10km from Ken-O Expressway Iruma I.C. (approx. 20 minutes under normal conditions)

Official Website here!

※Operating days and event details are subject to change.

※All images are for illustrative purposes only.

※Prices include consumption tax.

※Admission may be restricted during peak hours.

Inquiries from Customers Sayama Ski Resort TEL. (04)2922-1384

FACT BOX

  • Source: PR TIMES
  • Category: Event