Posadas generally enjoys a relaxed and tranquil atmosphere, making it quite welcoming for solo female travelers. Common safety measures are still necessary, such as being aware of your surrounding, especially during evenings and night-times. Also, ensure to protect your personal belongings at all times. Public transportation and taxi systems are reliable, but it can be advisable to use reputed taxi services. The locals are usually helpful and hospitable. However, language could be a barrier if you do not speak Spanish.