Helena, the state capital of Montana, in the United States, is generally safe for solo female travelers. Crime rates are relatively low, especially serious crimes. As in any locale, it's advised to be aware of your surroundings, especially during the night. It possesses a friendly community, and locals are often willing to assist should you require any help. However, always practicing common safety measures such as not displaying expensive possessions openly, and sticking to well-lit and populated areas during evening hours, is a good rule of thumb.