Kichiro Tanaka is Content Manager at Jasumo, the Tokyo-based consultancy that helps international visitors experience Japan without the barriers. He oversees Jasumo's event listings and guides, making sure every page gives overseas visitors accurate dates, venue details and ticket information, and explains clearly the practical steps (Japanese-only registration, phone verification, payment, ticket collection) that can stand between a visitor and the event. He works with Jasumo's ticket and concierge desk in Tokyo, so that what is published reflects how things actually work on the ground.
-
August 22, 2026 at 12:46 pm
Event date:
-
August 23, 2026 at 12:46 pm
Event end:
Monster Bash is coming back to Kagawa Prefecture on Saturday, 22 August and Sunday 23 August 2026. This will be the time Monster Bash is happening. It is the outdoor rock festival in the Chugoku and Shikoku regions. The festival is held in Sanuki Mannou National Park, which’s really beautiful. Monster Bash is a summer event that brings together a lot of great Japanese rock musicians, popular pop singers and indie bands. These musicians will perform, over two days. It will be a lot of fun. Monster Bash is an event that people look forward to every year.
Are you Visiting Japan soon?
Let us make your trip effortless. From tickets and hotels to transport and local guides, we arrange everything for you or your group. Whether it’s a music festival in Tokyo or a business conference in Osaka, our custom travel service ensures you enjoy the event stress-free.
Contact Jasumo Now →Table of contents
The Story: Western Japan’s Flagship Summer Rock Gathering
First started in 2000 Monster Bash—sometimes called “Monbas” by fans—has become one of Japans local music festivals. It takes place on the island of Shikoku. The festival changed the soft green land of Sanuki Mannou National Park into a big place with many stages. For thirty years it has been a main place that music lovers, from Western Japan and other places come to.
What sets Monster Bash apart from urban stadium concerts is its distinct blend of open-air festival culture and natural beauty. Attending the festival allows fans to experience high-energy performances spanning Japanese rock, punk, pop, also acoustic sets within a traditional national park setting. The event is celebrated not only for its mainstream headliners but also for fostering unique collaborations and acoustic side projects, such as special session lineups and stripped-back sets from veteran rockers.
The 2026 edition is going to be really cool. It will have a lot of music genres playing over two days. On Saturday you can see bands like UVERworld, CreepHyp Tokyo Ska Paradise Orchestra, Macaroni Enpitsu and DISH// perform. They will also have bands like Shonan no Kaze, Sukima Switch and 04 Limited Sazabys playing.
On Sunday there will be great bands like ASIAN KUNG-FU GENERATION ELLEGARDEN, 10-FEET, sumika, LiSA and Straightener. The 2026 edition will also have some things like the PIANO baSH with Kiyozuka Shinya, on the piano and the Taku & Taku SESSION2026 where they will work together.
Why Experience It Live: Monster Bash
Going to Monster Bash is a way for people from other countries to see what Japanese music is all about. The event is not in a building it is in a national park so people can really feel like they are part of something. They can be outside and hear the music with a lot of people it is very exciting. If you are visiting Shikoku or the Seto Inland Sea area, in August Monster Bash is something you should really try to see. It is a part of the culture and you can hear live music while you are traveling around the area. Monster Bash has rock music and it is a lot of fun. People who like music and travel will really like Monster Bash.
Dates, Venues and Tickets
[Saturday, 22 August 2026] – Sanuki Mannou National Park, Kagawa (Doors: 09:00 / Start: 11:00)
Lineup includes: 04 Limited Sazabys, 36km/h, ano, Arakezuri, CANDY TUNE, Chevon, Chounouryoku Senshi Dorian, Crazy Wow Wow!!, CreepHyp, DISH//, Yohei Hashiguchi (wacci), Kariyushi 58, Koresawa, Kurayamisaka, Macaroni Enpitsu, Multidimensional Control Mechanism Yodaka, NakamuraEmi, Neguse., Natsuko Nisshoku, Regal Lily, Second Backer, Shonan no Kaze, Stardust☆Review, Sukima Switch, Takehara Pistol, Tele, Ten Ten Takataka, Tokyo Ska Paradise Orchestra, TRACK15, UVERworld, Yabai T-Shirt Ya-san, “Yuika”.
| Ticket Category | Available Seats / Admission | Reference Price (USD) |
| General Admission (1-Day Pass) | ¥12,000 – ¥22,000 | $80 – $150 |
[Sunday, 23 August 2026] – Sanuki Mannou National Park, Kagawa (Doors: 09:00 / Start: 11:00)
Lineup includes: 10-FEET, ASIAN KUNG-FU GENERATION, Backdrop Cinderella, Base Ball Bear (ACOUSTIC SET), ELLEGARDEN, FRUITS ZIPPER, FUNKY MONKEY BΛBY’S, Haruka Mirai, Kofun Sisters, Kuroyume, LiSA, Marcy, Miyamoto Hiroji, My Hair is Bad, Negishio Butadon, Nekoze no Navy Saison, OddRe:, PIANO baSH performed by Kiyozuka Shinya, ROTTENGRAFFTY, Singers High, Straightener, sumika, Sunny Girl, Yonkyu, Taku & Taku SESSION2026 (Sugawara Takuro x Muramatsu Taku), TENDOUJI, TenTwenty, TETORA, Uezu.Seisaku & The BK Sounds!!, UNFAIR RULE, Yao.
| Ticket Category | Available Seats / Admission | Reference Price (USD) |
| General Admission (1-Day Pass) | ¥12,000 – ¥22,000 | $80 – $150 |
Ticket prices change over time with availability and demand, also are confirmed at the time of enquiry.
Ticketing Conditions: Tickets for Monster Bash 2026 are issued strictly as electronic tickets requiring Japanese mobile phone verification. General sales through standard Japanese ticketing platforms are sold out. Cloakroom services, parasol rentals, and shuttle bus passes (MONbus Express / rail combination tickets) require separate electronic bookings.
Contact Us to Secure Your Tickets: Monster Bash
To request tickets for Monster Bash 2026, please click the Contact Us button below. When submitting your inquiry, please ensure you have the following information ready:
- Event Name: Monster Bash 2026
- Preferred Date(s): 22 August, 23 August, or both
- Venue: Sanuki Mannou National Park
- Number of guests in your party
Why Book Through Jasumo: Monster Bash
Navigating the Japanese event landscape can present significant obstacles for overseas travelers wanting to attend major festivals. Jasumo provides a seamless bridging service to ensure you do not miss out:
- Access: Japanese music festivals frequently utilize ticketing systems that require Japanese-language navigation, local phone numbers, and domestic identity verification. When general sales sell out, sourcing valid entry passes becomes even more challenging. We secure your tickets through our wide network of trusted sources across Japan, including event organizers, official platforms, event owners, and the verified resale market when standard allocations are exhausted.
- Communication: Official festival communications, venue rules, and shuttle transport instructions are primarily issued in Japanese. We handle all correspondence with Japanese suppliers and organizers on your behalf while providing clear, consistent updates in English.
- Payment: Domestic ticketing platforms routinely reject international credit cards. Jasumo processes your payment via standard international payment channels while executing the purchase through local Japanese banking systems.
Jasumo makes sure every ticket they find is the deal. They send the tickets or passes to your hotel or Airbnb place, in Japan using a fast delivery service. If you get a ticket they will give you easy to follow instructions before you get to Japan. Jasumo charges an extra to pay for the work they do to find the tickets make sure they are real and translate everything for you. They will tell you how much this costs when you talk to them about it.
How It Works: Monster Bash
- Submit Your Request: Contact us with your required dates, ticket quantities, and accommodation details in Japan.
- Confirmation & Payment: Our team verifies ticket availability through our network and provides a clear price quote. Once agreed, you complete your payment securely online.
- Fulfillment & Delivery: We source and authenticate your tickets. Digital tickets are configured for seamless access, or physical credentials are shipped directly to your Japanese hotel or Airbnb prior to your check-in.
Frequently Asked Questions
Sanuki Mannou National Park is located in Kagawa Prefecture on the island of Shikoku. Festivalgoers typically reach the venue via official MONbus Express shuttle buses operating from major nearby transit hubs such as JR Kotohira Station or Takamatsu Station.
Monster Bash 2026 utilizes electronic ticketing systems tied to smartphone applications, which require verification during entry.
Yes, primary general ticket allocations for 1-day passes are sold out. However, Jasumo can still source authenticated entry passes through our network and verified market channels.
An order is made up of the ticket price, the cost of the platforms used to purchase the ticket, and a service fee. Because every event and order is different, please contact us directly for full details and a tailored price for your specific order.
Yes, official shuttle buses (MONbus Express), dedicated temporary parking at NEW Reoma World, cloakroom storage, and parasol rentals require separate electronic bookings outside of the main admission pass.
Monster Bash is an annual summer festival traditionally held during the third or fourth weekend of August at Sanuki Mannou National Park.
Venue & Access
- Venue: Sanuki Mannou National Park (Mannou, Nakatado District, Kagawa Prefecture)
- Nearest Major Railway Hubs: JR Kotohira Station (Dosan Line) and Kotoden Kotohira Station.
- Nearby Landmark: NEW Reoma World theme park (serves as the primary off-site temporary parking hub for shuttle connection).
- Access Note: Direct vehicle access to the park is restricted during festival days. Festivalgoers should utilize the official MONbus Express round-trip shuttle buses from Kotohira Station, Takamatsu Station, or designated parking zones.
Related Links
Planning a Group Trip to Japan?
From corporate teams to friends traveling together, we create tailor-made travel packages. Enjoy VIP access, curated itineraries, and full support from our local experts. Tell us your plans, and we’ll handle the rest.
Contact Jasumo Now →
Leave a Reply