Falun is a safe destination for solo female travelers. Sweden generally has a low crime rate with efficient law enforcement. While it's always vital to exercise normal safety precautions, Falun is particularly welcoming and its residents are courteous and helpful. Although it is small, it's a friendly city. As for night safety, the streets are well-lit and people are typically out and about, contributing to a feeling of community. However, it's always wise to stay aware and use usual traveler safety protocols.