Reunion is generally a safe location for solo female travelers. It is an overseas territory of France where laws and public service are consistent with mainland France, maintaining safety measures well. However, like any destination, caution is still recommended. Particularly after dark, it is better to avoid less busy areas. Natural hazards like hiking alone without a professional guide or swimming in non-demarcated areas may also pose risks. Always ensure that you have updated emergency contact information. Public transportation is reliable and secure. French people are generally warm and helpful, which can make your journey more comfortable and safer. Use your instincts and take general travel precautions to have a safe trip.