First time bouldering?

Have you never bouldered before but would you like to get introduced to this amazing sport? The sport is very easy to get into! Sign up for a short and free introduction by filling in the form below! We’ll get you going quickly. Minimum age is 14 yrs. This form is not for inquiries on youth training.

Tuesday/wednesday/thursday evening between 18.00-21.00 is possible for certain, other days upon request

Start to boulder January

Just started bouldering and eager to learn more? We offer the Start to Boulder course! 4 lessons on January 11, 18, 25 and Feb 1. In Feb: 8, 15, 22 and 29.
The course only costs 45,- (excluding entree). If you want you can also choose the option of paying 115,- and you get two months entree! To enter, mail to:

Opening hours

The opening hours are:

Mon-Fri 11.00-23.00
Saturday 09.00-23.00
Sunday 10.00-23.00

Bouldering with a group? Would you like to organize a group activity in the gym? With or without an instructor? There are many options, send an E-mail to for information.

Revolt, Walhalla and De Campus are joining forces!

By collaborating, we make bouldering in all our gyms better.

The biggest benefit for you will be, that from today, July 20th, your subscription or 10 punchcard will be valid in all 3 gyms!

3 boulderinggyms, one subscription!


Kleveringweg 35, 2616 LZ Delft.

Free parking around the building!


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Revolt bouldering gym

In our bouldering gym both recreational climbers and climbers at the top level can climb and train hard on new school boulders.

Our state-of-the-art climbing walls, built by T-Wall who also realised the Studio Block walls in Germany, will offer new and challenging bouldering problems at all levels.

Read more about the gym.