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Abstract geometric shark illustration used in a promotional poster for a bouldering event in Hamburg on September 21, 2024.
Person climbing indoor rock wall with promotion for Flashh climbing gym, offering a €29 monthly pass including rental shoes for new members.
Graphic listing "FLASHH events 2024," featuring a schedule of events with dates in German and icons, including a chameleon and a birthday cake.

Bouldergym in Hamburg

Modern bouldering in Hamburg Bahrenfeld.

With over 200 boulder routes on 1300 square meters of climbing space, there is something for everyone!

Ambitious competitive climbers as well as beginners and children get their money's worth at FLASHH.

Find out more about our offer

Indoor bouldering gym with climbing walls
Indoor climbing gym with a bouldering wall, featuring colorful holds and geometric patterns.
Indoor bouldering gym with colorful climbing holds on an artificial wall.