Image: C2 OST official logo

C2 OST

C2 OST is a techno and house club at Essenweinstraße 9 in Karlsruhe's Oststadt, a short walk from the Tullastraße / Alter Schlachthof tram stop.

Opened: n/a
Capacity: n/a
Sound: Techno

Tickets and programme All techno clubs

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At the door Photos and filming only with the explicit consent of the people shown · Online tickets by credit card, PayPal or bank transfer Rules

C2 OST: quick facts

Checked Oct 2026

Address: Essenweinstraße 9, 76131 Karlsruhe, Germany Directions
Nearest station: Tram stops Tullastraße / Alter Schlachthof (lines 1, 2, 5, S4, S5, S51) and Karl-Wilhelm-Platz (lines 3 and 4)
Opening hours: Mostly Friday and Saturday 23:00 to 05:00, with some weeknight events
Photos: Photos and filming only with the explicit consent of the people shown
Tickets: Early bird tickets for Butschi all night long on 3 Oct 2026 were EUR 12 on the club's own ticket portal
Payment: Online tickets by credit card, PayPal or bank transfer
Founders: CULTeum Kulturclub e.V.
Sound: Techno, House, Electronic

About C2 OST

C2 OST is a techno and house club at Essenweinstraße 9 in Karlsruhe's Oststadt, a short walk from the Tullastraße / Alter Schlachthof tram stop. The club is run by CULTeum Kulturclub e.V. at the same address as the former CULTeum, which described itself as an old cellar vault in the heart of Karlsruhe with underground club nights. The programme is mostly Friday and Saturday nights from 23:00 to 05:00, with techno, house and melodic house next to breaks, bass, ambient and hard techno nights, plus occasional Thursday events run by local collectives. House rules focus on consent, inclusivity and respect for the neighbours, and filming is only allowed with consent. Tickets are sold through the club's own online portal.

Door policy

From the club's own rules

Photos and filming are only allowed with the explicit consent of the people shown. The club has zero tolerance for discrimination and harassment, and a marked awareness team is on hand during events.

Where to stay near C2 OST

Hotels on the map

Essenweinstraße 9, 76131 Karlsruhe, Germany · Tram stops Tullastraße / Alter Schlachthof (lines 1, 2, 5, S4, S5, S51) and Karl-Wilhelm-Platz (lines 3 and 4)

Hotel prices come from our booking partner. If you book through the map we may earn a commission, at no extra cost to you.

Frequently asked questions

What people search about C2 OST

Where is C2 OST in Karlsruhe and how do you get there?

C2 OST is at Essenweinstraße 9, 76131 Karlsruhe. The nearest tram stops are Tullastraße / Alter Schlachthof (lines 1, 2, 5, S4, S5 and S51) and Karl-Wilhelm-Platz (lines 3 and 4).

What are the opening hours of C2 OST?

Most club nights run on Friday and Saturday from 23:00 to 05:00. Some weeknight events start earlier, such as a Thursday night in October 2026 that ran from 18:00, so check each listing on the club site.

How much are tickets for C2 OST?

Tickets are sold through the club's own online portal. Early bird tickets for Butschi all night long on 3 October 2026 cost EUR 12. The club accepts credit card, PayPal and bank transfer online, and cancellations are possible up to 48 hours before the event.

What music does C2 OST play?

The October 2026 programme listed techno, house and melodic house nights, plus breaks, baile funk, bass, ambient and a groove, bounce and hard techno night. Many nights are hosted by local collectives and labels.

Can you take photos at C2 OST?

Only with permission. C2 OST's house rules say photos and filming are allowed only with the explicit consent of the people shown, to protect every guest's privacy. Guests are also asked to stay quiet in the courtyard and surrounding streets.