Mong Cai is a border city in Quang Ninh facing Dongxing, China, across the Ka Long River. Travellers use it for the international border gate, busy trading markets, Tra Co Beach, and the northeastern Sa Vi Cape area.
Combine a Vietnam-China border-city atmosphere with Tra Co Beach and seafood along the far northeast coast.
Customize starting city and duration for a tailored plan.
Check live entry documents and quarantine rules for Vietnam.
Ratings & reviews from Google Maps
Border crossing fees are separate if applicable
Time
1 hour
Cost
Free
Effort
Easy
Small local site ticket or parking fee
Time
1.5 hours
Cost
₫20k*–₫50k*
Effort
Easy
Time
Half day
Cost
Free
Effort
Easy
Best months: Jan, Feb, Dec
This destination has a temperate climate with temperatures ranging from 21°C to 26°C annually. Best visited during Jan, Feb, Dec. Avoid travel in Jun, Jul, Aug, Sep due to heavy rainfall.
⚠️ Avoid travelling in Jun, Jul, Aug, Sep due to extreme conditions.
Climate averages based on 10-year historical data · Open-Meteo
Pleasant weather, lighter crowds — the sweet spot.
Busiest months — book stays & transport early.
Quietest window with the lowest prices.
Take the Ha Long-Mong Cai expressway from Ha Long or Van Don toward the border city.