【Yamanashi・Nirasaki】Spend Summer Vacation in the Forest! Hosaka Natural Park to Host a Series of Nature-Immersive Events in Late July, Including Indigo Dyeing and Forest Water Play!

Located in Nirasaki City, the lush 'Hosaka Natural Park'.

Did you know that this July, special experiential events allowing people of all ages to enjoy the great outdoors are being held almost every week?

【Recap】Early July Events Were a Huge Success!

Although already concluded, exciting events took place in early July:

7/4 (Sat) Let's Create a Forest Playground Together: Using natural forest materials, participants co-created a secret-base-style play area!

7/12 (Sun) Learn and Discover! Insect Workshop: Participants enjoyed learning about the secrets of summer forest insects alongside experts.

Don't worry if you missed out!

The second half of July still offers amazing summer experiences waiting for you!

【Still Time to Join!】Highly Anticipated Late July Events

① 7/18 (Sat) Indigo Harvest and Dyeing Experience

Featuring Yukizumi Fukami from Kominka Miyakubo as instructor, this indigo dyeing workshop starts with harvesting indigo plants grown with care at Hosaka Natural Park from seeds collected last year! Experience the depth and joy of traditional dyeing from scratch in this special hands-on workshop.

Date & Time: July 18, 2026 (Sat) 10:00–12:00

Fee: 1,000 JPY per person

What to Bring: Clothes that can get dirty (aprons acceptable), rubber gloves

Instructor: Yukizumi Fukami, Kominka Miyakubo (Instagram: @miyakubo5438)

② 7/26 (Sun) Forest Water Play

Come and go as you like! The popular summer-cooling event returns this year, with indoor and outdoor dining areas provided. Dive into the refreshing water and enjoy nature in the cool forest!

Date & Time: July 26, 2026 (Sun) 10:30–14:30

Fee: 300 JPY per person (※For elementary school students and younger; accompanying guardians enter free)

What to Bring: Swimsuit (swim diapers acceptable), change of clothes, towel, sandals, drinks, and any items needed for children

Cooperation: Sankaku Tent (Instagram: @sankaku.tent)

【Important Notes for Guardians – Water Play Guidelines】

Guardians must remain on-site during the activity.

For hygiene reasons, regular disposable diapers are not permitted in the water (swim diapers are acceptable).

No prior reservation required, but capacity may be limited for safety during peak times.

No tools needed—try anytime! Woodworking Workshop Also Ongoing

Even outside event days, the 'Hosaka Natural Park Fureai Center' offers an ongoing woodworking workshop. It's recommended to create summer vacation crafts or memorable handmade items while enjoying the warmth of wood.

Head to Hosaka Natural Park this summer, where the scent of greenery and refreshing breeze fill the air!

For detailed event times, required items, and daily park updates, please check the official Instagram.

▶ Hosaka Natural Park Official Instagram

【Applications & Inquiries】

Event reservations can be made by phone or email.

Organizer: Hosaka Natural Park Fureai Center

TEL: 0551-37-4362 (Phone hours: 9:00–17:00, closed Mondays)

MAIL: [email protected]

※When applying by email, please include the event name in the subject line and your name, address, and contact information in the body.

Official Instagram: @hosakasizenkouen (Event details also posted on Instagram!)

Did you know? Hosaka Natural Park is as large as about 36 Tokyo Domes!

The 'Hosaka Natural Park', the event venue, is a grand natural adventure park developed within approximately 170 hectares (1.7 million square meters) of preserved forest—Nirasaki City's pride!

Upon entering the park, a giant stag beetle sculpture welcomes you—immediately boosting children's excitement.

Thanks to its vast grounds, the park offers well-developed courses for enjoying nature at your own pace.

For the active crowd: Enjoy the 5km trail running course or mountain biking courses (long: 2.7km / short: 0.6km).

For the relaxed crowd: Take a walk along the 4km nature trail, enjoying dappled sunlight and a light hiking experience.

Inside the park, the Hosaka Natural Park Fureai Center hosts experiential events using forest resources, such as woodworking workshops!

※Check the Hosaka Natural Park Fureai Center's Instagram for event details.

Learn more about Hosaka Natural Park here

https://www.nirasaki-kankou.jp/kankou_spot/kouen_bijyutsukan_shiryokan/kouen_teien/4333.html