THE SHORT ANSWER
The U.S. State Department's current Cambodia Travel Advisory is Level 2 — Exercise Increased Caution, dated September 15, 2026. It also contains a location-specific Level 4 warning: Do Not Travel to areas within 50 kilometers of the Cambodia–Thailand border because of ongoing regional tensions.
That distinction matters. Cambodia is not under a nationwide Level 4 advisory. Travelers should map the actual itinerary against the live advisory, keep border-area plans separate from destinations elsewhere in the country, and recheck official guidance before departure.
THE CAMBODIA–THAILAND BORDER WARNING
The State Department says not to travel within 50 kilometers of the Cambodia–Thailand border and notes that U.S. government emergency assistance is limited in that area. If an itinerary includes an overland crossing, border-area excursion or remote route near Thailand, verify the current advisory and the exact operating status of the crossing and transport provider.
Bon Voyage Compass will not infer that a specific crossing, road or tour is open or closed from the advisory alone. Security guidance and operating status are separate facts.
PHNOM PENH AND CRIME AWARENESS
The advisory tells travelers to exercise increased caution in Phnom Penh because of crime, including street theft in areas where visitors gather. Practical planning includes keeping valuables controlled, using identifiable transportation and staying attentive in crowded areas.
This does not mean every Phnom Penh neighborhood or traveler faces the same conditions. Use current official guidance and ordinary situational awareness rather than converting a city-level caution into a blanket closure claim.
UNEXPLODED ORDNANCE CAUTIONS
The advisory identifies Battambang, Banteay Meanchey, Pursat, Siem Reap, Pailin, Kampong Thom and Preah Vihear provinces for increased caution because of unexploded ordnance.
A province-level caution is not proof that every attraction in that province is closed. Stay on established routes, follow local and official guidance, and verify remote or off-road activities carefully.
For a Siem Reap itinerary, separate the province-level caution from the operating status of a particular temple, hotel, road or tour. Those details require their own current evidence.
WHAT LEVEL 2 DOES — AND DOES NOT — MEAN
The overall Level 2 advisory means Exercise Increased Caution. It is not a nationwide instruction to cancel travel. The Level 4 warning applies to the border area described by the State Department.
Airlines, hotels, tour companies, insurers and booking platforms have their own operating and refund terms. Do not assume the advisory automatically creates a refund, cancellation right or insurance benefit.
BUILD THE TRIP BY LOCATION
List each overnight city, transfer, excursion and land-border segment. Compare those places with the live advisory, especially the 50-kilometer border zone and the provinces named for unexploded-ordnance caution.
For multi-country trips involving Cambodia and Thailand, read both countries' current advisories. A national advisory level should not be used to erase a more specific warning tied to a border region.
ENTRY AND TRANSPORT RULES ARE SEPARATE
A security advisory does not by itself establish visa, passport, airline or land-crossing rules for a particular traveler. Verify entry requirements from responsible official sources for the traveler's nationality and itinerary, and check the actual transport operator for the planned journey.
Do not reuse an old visa or border rule simply because the security advisory remains at the same nationwide level.
RECHECK BEFORE DEPARTURE
Open the live State Department Cambodia advisory shortly before travel and again before a border-area or remote segment. If the advisory changes, use the newer official information rather than this dated snapshot.
WHAT BON VOYAGE COMPASS WILL AND WILL NOT CLAIM
Bon Voyage Compass can organize the current advisory into a trip-planning checklist: Level 2 overall, a Level 4 border zone, Phnom Penh crime caution and unexploded-ordnance cautions in named provinces.
It will not claim a specific flight, border crossing, road, attraction, hotel or tour is open, closed or operating normally unless a responsible current source confirms that fact.
This guide was source-checked September 26, 2026 against the U.S. Department of State Cambodia Travel Advisory issued September 15, 2026. Refresh this same canonical when the advisory materially changes rather than creating city or border-crossing variants.