I will be in a training class near Passau for two weeks in June and want to some riding in the afternoons when finished. All I can find online is flat paths along the rivers but would like something more chalenging similar to the Colorado front range. Does anyone know what options I have? A bike shop in Scharding Austria did tell me there are some trails in the Pasau area butdidt did not have any info beyond that.

Thanks in advance.