Su-ngai Kolok has mixed safety levels for solo female travelers. While you'll find most locals are warm-hearted and welcoming, some precautions are necessary. The region is relatively peaceful compared to its past, although occasional unrest in certain parts of the town can occur, linked to separatist tensions. It's advisable to stay vigilant, avoid lonely streets especially at night, and don't display valuable belongings. The town is close to the Malaysian border, be cautious of scam activities. Always keep emergency numbers at hand and inform someone from home about your daily itinerary.