Underberg, is a small community, relatively safe compared to larger cities of South Africa. However, as a tourist, it's always wise to take precautions. Walking alone at night is not recommended as it may invite unnecessary attention. Locals are friendly but it's always safer to return to your accommodation before it gets too dark or take a taxi if needed. Always trust your instincts, avoid unlit areas or places where you feel uncomfortable, and keep emergency numbers handy.