Nepalgunj is generally safe for solo female travellers. The locals are friendly and respectful. The crime rate is relatively low, but it's good to be cautious, especially at night. Sticking to populated areas and maintaining a low profile can maximize safety. Make sure to keep your personal belongings secure, as petty theft can occur in busy areas. Woman travelers also need to be aware of the cultural norms in this region to avoid any discomfort or misunderstanding.