October 17, 2026

REACTŌR AFTERMATH.

tickets for REACTŌR AFTERMATH now available

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raw. rebellious. relentless.

from industrial ashes we rise. a dead reactor reborn. concrete now breathing. silence now broken. a new energy ignites.

this is the underground’s heartbeat. this is REACTŌR. 

Mobile gallery reactor1

camping

stay at the core. camp on-site. 48 hours. live inside the energy. no distance. no delay. no breaks.just sound, sweat, and full immersion.

From €42 p.p.

Reactor Camping

Hotel

walls that hum with the night. bed. shower. blackout curtains. no frills. no filters. just shelter for the underground. check in, crash, rise.

FROM €81,50 P.P

the venue – where the core comes alive

Floorplan

The area is only 50 meters away from the camping. Once you enter the festival there are 3 stages to choose from, a foodcourt to grab some snacks, and a terrace to recharge. See you there!

FAQ

When is it happening?

REACTOR AFTERMATH will take place on October 17, 2026.

At a stark, brutalist masterpiece. Kernkraftwerk Kalkar, Germany.

(12 hours open, 2pm – 2am)

October 17, 2026

Start Saturday 2pm
End Sunday 2am

Yes, that is not possible

phase 1 for €24,00
phase 2 for €31,50
phase 3 for €39,00

Tickets are your key to the core. They can be bought here.

Yes. REACTOR is strictly 18+. Bring ID. No exceptions.

Dress for the underground. Comfortable. Minimal. Express yourself—but be ready to move.

By car: navigate to Messe Kalkar. 47546, Griether Str. 138, 47546 Kalkar-hönnepel, Germany. And follow the signs from there. 

Parking: You can park directly at the festival site, right next to REACTOR. A REACTOR Parking Ticket is required. It is available only via the REACTŌR ticket shop

By public transport: You can easily get to the festival by public transport. Take the train to Kleve Bf, which is well-connected and easily reachable from most major train stations in Germany, the Netherlands, and Belgium.

Bring the essentials:

– Valid tickets

– ID

– Comfortable shoes

– A thirst for raw, relentless sound

Prohibited items include e.g., weapons, outside drinks, illegal substances or drugs. We have a zero tolerance policy.

Check our house rules for all the details.

Picture yourself deep inside an industrial core, surrounded by towering concrete and pulsating beats. The atmosphere is thick with energy, the kind that rips through your veins. Expect underground sounds, brutalist aesthetics, and non-stop connection. It’s a place where the music becomes the heartbeat, and the underground feels alive — no frills, no filters, just pure, uncut energy.

Yes. The festival site is fully wheelchair friendly.

Download the Houserules!

the core awaits. get your tickets for REACTŌR now

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