Open Monumentendag Rotterdam 2025

Learn more about the history of Katoenhuis during Open Monumentendag on September 13–14, 2025!

This year, KATOENHUIS proudly opens its doors for the first time during Open Monumentendag Rotterdam under the national theme "Gebouw(d) om te blijven" – Built to Last.

Discover Katoenhuis: a hidden icon of Rotterdam’s reconstruction era, now reimagined as a hub for immersive technologies and contemporary culture. Built to remain and built to evolve!

Limited spots – reservation needed: https://omdrotterdam.nl/monument/katoenhuis-rotterdam/