King Rama I founded Kanchanaburi in the late 18th century as a defensive outpost against Burmese raids, and King Rama III moved it about 16 km southeast to its current site, at the meeting of the Khwae Noi and Khwae Yai rivers, in 1831. The town sits roughly 120 km west of Bangkok, and its edge-of-the-mountains position keeps it a little cooler than the central plains. Most visitors come for one thing: the Thailand–Burma “Death Railway” that Japanese forces drove through here during the Second World War, built by Allied prisoners of war and forced Southeast Asian labourers, and the museums, cemeteries and cuttings that now document it. Erawan National Park’s waterfalls, to the northwest, are the other big draw.
Getting oriented
The town centre runs along Saeng Chuto Road, with the train and bus stations at either end of it. Riverside, a couple of blocks west, Mae Nam Kwai Road is the guesthouse and backpacker strip, a short walk from the bridge itself. Songthaews (shared pickup trucks) run the length of Saeng Chuto Road connecting the bridge, train and bus stations, so you rarely need more than a short ride to move between the town’s core sights.
Highlights
Bridge over the River Kwai
Allied prisoners of war and forced labourers built this bridge in 1943 over what was then called the Mae Klong river, later renamed Khwae Yai; it was actually two bridges, a temporary wooden one and a permanent steel-and-concrete one, both destroyed by Allied bombing raids during the war. The steel bridge was repaired afterwards, with trapezoidal truss sections replacing the war-damaged curved spans, and it is still in use today by the trains running up the line. You can walk across it for free between train crossings. The 1957 film of the same name was actually shot in Sri Lanka, and its climactic bridge demolition is fiction: the real bridges were destroyed by air raids, not sabotage.
Riding the Death Railway to Nam Tok
Japanese forces built the 415 km railway from Ban Pong in Thailand to Thanbyuzayat in Burma between June 1942 and its ceremonial opening on 25 October 1943, using at least 250,000 forced Southeast Asian labourers and around 61,800 Allied prisoners of war. More than 90,000 of the labourers and roughly 12,600 of the POWs died building it, mostly from disease, starvation and mistreatment. Only the first 130 km inside Thailand still operates, as a tourist line running from Kanchanaburi to its current terminus at Nam Tok, a journey of about two and a half hours each way that crosses several of the original wooden trestle viaducts.
Hellfire Pass
The steepest, deadliest cutting on the whole railway, Hellfire Pass is 75 metres long and 25 metres deep, hacked through solid rock by hand in about six weeks in 1943; guards beat at least 69 men to death during that stretch alone, on top of the wider railway’s disease and starvation toll. The Australian-funded memorial museum here opened on 24 April 1996 and was renovated in 2018; a walking trail lets you follow the cutting and a stretch of the old track bed. It sits about 80 km northwest of Kanchanaburi, reachable by the morning train to Nam Tok and then a short ride on to the site.
Kanchanaburi War Cemetery
The Commonwealth War Graves Commission maintains this cemetery a short walk from the town centre, holding 6,982 graves of Allied POWs who died building the railway, laid out in neat rows of identical headstones. It’s open 07:00–14:00 and free to enter.
JEATH War Museum
Built as a row of palm-thatched huts modelled on the POW quarters, this museum’s name is an acronym of the six countries involved in the railway’s construction and displays wartime photographs, drawings and salvaged tools alongside a recreation of prisoner living conditions. It’s open 08:30–18:00 for a 40-baht admission.
Getting around
There’s no airport in Kanchanaburi itself; most visitors fly into one of Bangkok’s airports and continue overland. Buses from Bangkok run every 15–20 minutes between 05:00 and 22:30, take about two hours and cost 110 baht. Trains from Bangkok’s Thonburi station leave twice daily, at 07:45 and 13:45, for 100 baht. Around town, songthaews along Saeng Chuto Road charge a flat 10 baht, and you can rent a bicycle for about 50 baht a day or a motorcycle for 150–200 baht a day if you want to reach the war cemeteries and outlying sights on your own schedule.
Where to stay by area
Mae Nam Kwai Road, right by the bridge, has the backpacker guesthouses: fan-cooled rooms from around 150–350 baht and air-conditioned ones from 400–550 baht, all within walking distance of the bridge and the night market. Riverside resorts and raft houses further from the centre, from roughly 500–1,500 baht, trade that walkability for river views and quiet, and work best if you’re happy using a songthaew or your own bike to get back into town.
Day trips
Erawan National Park, about 50 km northwest of town, was established on 19 June 1975 and covers roughly 550 square kilometres of forest around its seven-tiered waterfall; the trail to the top tier runs 1.5 km from the trailhead, and most visitors plan at least two hours for the hike plus time to swim in the pools. Foreign adults pay 300 baht (150 baht for children) to get in. Bus 8170 runs from Kanchanaburi roughly every 50–60 minutes between 08:00 and 17:50, a 90-minute ride for 60 baht, with the last buses back around 16:30.
Sai Yok National Park, further northwest along the Sangkhlaburi road, is a quieter alternative with its own limestone caves, hot springs and waterfalls, and a common stop for visitors continuing past Hellfire Pass rather than backtracking to Kanchanaburi.