Hämeenlinna is widely regarded as a safe city for solo female travelers. The crime rate is generally low and the locals are known for their politeness and helpful nature. Like anywhere though, it's always advisable to follow standard safety practices such as being aware of your surroundings, not walking alone late at night in unfamiliar areas and avoiding revealing personal information to strangers. There is a reliable and efficient public transport system, which is easy to navigate and also very safe.