Phnom Penh to Koh Kong: Road Trip Guide, Stops, and Travel Tips

By admin, 14 August, 2026

Introduction

The drive from Phnom Penh to Koh Kong follows National Road 4 (NR4), a route that passes through the Cardamom Mountains, a region known for its dense rainforest and biodiversity.

This guide covers everything you need to plan the trip: driving time, road conditions, stops, and essential travel information.

MetricValue
DistanceApproximately 250 km
Driving Time4–5 hours

Road Safety, Family Stops, and Fatigue Management

Driving in Cambodia requires caution due to unpredictable traffic and wildlife crossings. In the mountains, be alert for falling rocks, especially after rain.

For families, safe stops include Sre Ambel, a town halfway, which has basic eateries and a large market. For those traveling with pets, many roadside restaurants allow outdoor seating, but it's best to check with the local diner.

To manage fatigue, plan breaks every 2 hours. The mountain bends and scenic overlooks provide natural rest points. Check how to find the best stops and hidden gems between cities for creative ways to discover off-the-beaten-path spots.

Hidden gems: Look for waterfalls near Koh Kong, like Tatai Waterfall, but these may require a short hike and are best visited in the wet season.


Route Logistics and Infrastructure

National Road 4 is the main artery connecting the capital to the coast. It is generally in good condition, with the section through the Cardamoms featuring winding mountain passes and occasional steep grades.

Fuel stations are available in Phnom Penh and major towns along the way, but it's wise to fill up before heading into the mountains as services become sparse.

  • Road quality: Paved, but expect potholes and narrow sections in the mountains.
  • Tolls: No tolls on NR4.
  • Restrooms: Available at fuel stations and roadside restaurants.

Natural Landscapes and Local Commerce

The route offers stunning views of the Cardamom Mountains, Cambodia's largest rainforest, which is home to endangered species like the Asian elephant and clouded leopard.

Near the coast, Bokor National Park is a major attraction, but it's a detour from NR4. The journey itself traverses agricultural areas where you can see pepper plantations and rubber trees.

Local commerce along the road includes small roadside stalls selling fresh fruit, snacks, and handicrafts. These are great places to stretch and support local livelihoods.


Frequently Asked Questions

How long does it take to drive from Phnom Penh to Koh Kong?

The drive takes approximately 4 to 5 hours, covering about 250 kilometers on National Road 4.

What are the best stops between Phnom Penh and Koh Kong?

Popular stops include Sre Ambel for a midway break, and the town of Koh Kong itself, which is a gateway to the Cardamom Mountains and the coast.

Is it worth driving from Phnom Penh to Koh Kong?

Yes, the drive offers scenic mountain views, opportunities to see local livelihoods, and access to natural attractions. It's an alternative to flying, giving you flexibility to explore.

What are some things to do between Phnom Penh and Koh Kong?

You can visit the jungle of the Cardamoms, stop at local markets, and hike to waterfalls near Koh Kong. Also, consider detours to Bokor National Park if you have extra time.