Kanagawa Festival Calendar [2026]: Music Festivals and Outdoor Events Summary

Music Festival Master / Editor-in-ChiefHane Keisuke
Editor-in-chief of RAG MUSIC and in charge of music festivals. When I attended my first music festival as a freshman in college, I was captivated by its charm—“I can’t believe there’s a place this free and this fun.” I share information about wonderful music festivals every day to help grow the community of festival fans.

We’ve put together a roundup of music festivals in Kanagawa, including summer festivals, rock festivals, and outdoor festivals.

This year as well, we look forward to welcoming you to exciting events like BAYCAMP, GREENROOM FESTIVAL, Yokohama Asahi Jazz Festival, and Yokohama Jazz Promenade!

Kanagawa Prefecture

GREENROOM FESTIVALSat 5/23–Sun 5/24, Kanagawa Prefecture

“Green Room” is a surfing term referring to the hollow, tube-like part of a wave that surfers ride through. This event, named after that term, is held under the concept of “protecting our vanishing beaches.” Through music and art, it aims to share surf and marine culture and express a desire to protect the beach. It also sounds great to relax and enjoy music at a seaside venue.

Schedule	Saturday–Sunday, May 23–24, 2026
place	Kanagawa Prefecture, Yokohama City, Yokohama Red Brick Warehouse
Website	http://greenroom.jp
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FLOW THE FESTIVALSat 6/6 – Sun 6/7, Kanagawa Prefecture

http://www.flow-official.jp

Schedule	Sat, Jun 6–Sun, Jun 7, 2026
place	Pia Arena MM, Yokohama City, Kanagawa Prefecture
Website	https://www.flow-official.jp/cam/flowthefestival2024/

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@JAM EXPOAug 29 (Sat) – 30 (Sun), Kanagawa Prefecture

@JAM EXPO, which began in 2014, is an event that has continued to be held even as the idol scene undergoes various changes. With the goal of widely introducing Japanese culture and further energizing the idol scene, it is carried out with passionate dedication. Aiming to be the best idol festival in Japan, it’s a must-see event for idol fans.