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  4. The Old French Bunker: Cambodia’s Hidden Colonial Relic
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The Old French Bunker: Cambodia’s Hidden Colonial Relic

A weathered outpost from the French Indochina era offering hikers panoramic views and a tangible link to Cambodia's colonial past.

CambodiaUpdated 21 October 2026

Why Visit the Old French Bunker

Perched on a remote hillside in southern Cambodia, the Old French Bunker stands as a stark reminder of the country’s colonial history. Built during the French Indochina period, this concrete structure once served as a military lookout and supply point. Today it attracts travelers seeking off-the-beaten-path history combined with sweeping coastal vistas.

What to See and Do

Explore the bunker’s thick concrete walls, narrow gun slits, and underground chambers that remain largely intact. The surrounding terrain features overgrown paths leading to cliff-edge viewpoints where the Gulf of Thailand stretches to the horizon. Photographers find dramatic shots at sunrise when light hits the weathered concrete. Bring water and sturdy shoes; the site rewards those who hike the short but steep trail from the nearest beach.

How to Get There

Most visitors reach the bunker from nearby coastal towns such as Sihanoukville or Koh Rong by boat followed by a 30- to 45-minute trek. Local boat operators can drop travelers at a small cove; from there follow the marked trail uphill. Independent travelers often combine the visit with a day trip that includes snorkeling stops en route.

Best Time to Visit

The dry season from November through April offers the most comfortable conditions with lower rainfall and clearer skies for photography. Avoid the peak monsoon months of July and August when trails become muddy and slippery. Early morning visits minimize heat and provide the best light for exploring the interior spaces.

Nearby Attractions

  • Secluded beaches perfect for swimming and relaxation after the hike.
  • Coral reefs accessible by short boat rides for snorkeling.
  • Traditional fishing villages where visitors can observe daily life and sample fresh seafood.
  • Other colonial-era ruins scattered along the southern coastline.

The Old French Bunker delivers a quiet, reflective experience that contrasts with Cambodia’s more famous temple sites. Its combination of history, nature, and solitude makes it a rewarding detour for curious travelers.

Visitor tips

  • Wear sturdy hiking shoes and bring plenty of water, as the trail is steep and unshaded.
  • Go with a local guide or join a small-group boat tour to avoid getting lost on unmarked paths.
  • Respect the site by not climbing on unstable walls or removing any artifacts or debris.

Frequently asked questions

Is the Old French Bunker safe to explore inside?+

The main chambers are stable, but avoid entering any blocked or collapsed sections and watch for uneven floors.

How long does the hike to the bunker take?+

The uphill trail from the nearest landing point usually takes 30 to 45 minutes depending on fitness level.

Can I visit the bunker without joining a tour?+

Yes, but hiring a local boat and guide is strongly recommended for navigation and safety.

Are there facilities like toilets or food near the site?+

No facilities exist at the bunker itself; plan to eat and use restrooms before departing from the nearest village or beach.

Is the Old French Bunker suitable for children?+

The steep trail and rough terrain make it better suited to older children and adults with good mobility.

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