I was in Detroit for a big tech event a couple years back. The more or less universal consensus was that, yes, the Riverwalk during the day (and the Convention

I was in Detroit for a big tech event a couple years back. The more or less universal consensus was that, yes, the Riverwalk during the day (and the Convention Center there) were quite nice. But people felt uncomfortable away from large groups of event-goers at night and there were a few incidents. It definitely felt different from other events I've been to. Some of this is admittedly probably a matter of familiarity; I generally know to just avoid the Tenderloin for example.