Hinterrhein in Switzerland is generally extremely safe for solo female travelers. Crime rates are particularly low and people are usually exceptionally friendly and helpful. It has a low population density and welcomes tourists, as they form a big part of their economy. It's also very easy to move around, with well-connected and efficient public transport. Local authorities place a strong emphasis on safety, ensuring frequent patrolling. Always exercise common travel safety precautions but Hinterrhein is one of the safer places to travel alone as a female.