The main filming location for The Bridge on the River Kwai (1957) was Sri Lanka , not Thailand.

Here’s the quick scoop:

  • The bridge itself was built and blown up near Kitulgala , on the Maskeliya Oya , a tributary of the Kelani River , in the rainforests of central-west Sri Lanka.
  • The bridge site was by the Government Rest House in Kitulgala, which overlooked the set.
  • Peradeniya Botanic Gardens (near Kandy) were used as the British army HQ in the film.
  • The Mount Lavinia Hotel in the Colombo area doubled as the military hospital.
  • Other scenes were filmed around Ambepussa and along the Kelani River in Sri Lanka.

Even though the story is set around the Thai–Burma “Death Railway” and the real “bridge on the River Kwai” is in Kanchanaburi, Thailand , the movie’s iconic bridge and jungle camp were all recreated in Sri Lanka.

Information gathered from public forums or data available on the internet and portrayed here.