We are now a well-known phenomenon in Utrecht, and for many Sterk is the place to catch up with friends between bouldering, do some work on the laptop while enjoying a mug of filter coffee, and occasionally the cat that comes by to pet him. Sterk offers 600 m2 of boulders with ten circuits, with each difficulty level clearly indicated by the colour of the circuit.

We have created various training rooms for the passionate boulderers to become really Strong. On the ground floor you will find two MoonBoards, a training wall, a campus board, finger boards and a stick board. There is also a fitness room for additional strength training or to mentally prepare yourself for the challenging moments of that one project that just isn't working yet.

After an intensive bouldering session, you can relax at the bar with a drink and snacks. Our extensive range of (special) beers varies from the familiar Vedettje and beer brewed especially for Sterk to various types of non-alcoholic beer, juice, soft drinks and kombucha. At Sterk you will always find something that suits your taste!