There are a few hotels on the Dutch side of the border. Easy booking on hotels.nl. Best prices are noticed for -Van der Valk Hotel -Hotel Campanile and -Hotel Wilhelmina. Wilhemina is the one with the best connection to the CNM. Its opposit of the Central train station and only 2km from Kaldenkirchen.
This is the other hotel close to the event. Hotel zur Mühle. Walking distance about 10 minutes. 10 rooms, good quality standart. Please use the link on the right.