Three Pagodas Pass — Kanchanaburi toSangkhlaburi.

Distance

440 km

Duration

2 days

Climb

2,200 m

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Curated by Rider · Updated Jun 2026

Overview

Three Pagodas Pass — Kanchanaburi to Sangkhlaburi.

Two days from the WWII Death Railway museum town of Kanchanaburi north on Highway 323 to the Mon-majority lake town of Sangkhlaburi, then up to the Three Pagodas Pass at the Burmese border. The route passes the Bridge over the River Kwai, Hellfire Pass cutting, Sai Yok Yai waterfall, and the 850m Mon Bridge — the longest wooden footbridge in Thailand. Forested mountain road with steady moderate twisties.

Quick facts

SurfacePaved

Distance440 km

Days2

Total climb2,200 m

DifficultyModerate

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Day-by-day

2 days, 2 moods.

A suggested split across 2 days with 10 waypoints to discover along the way.

DAY 01

Kanchanaburi → Sangkhlaburi

6 stops

KanchanaburiStart · Start in Kanchanaburi at the Bridge over the River Kwai. Highway 323 north heads toward the Burmese border. 200km to Sangkhlaburi today.

Bridge over the River KwaiPhoto Spot · The 1942 black-iron railway bridge built by Allied POWs and Asian conscript labour for the Death Railway. Walk across the rail deck before riding north.

Hellfire Pass MemorialScenic Point · POW-cut railway gorge through limestone. The most extensive Death Railway museum in Thailand. Walking trail along the original 1943 cutting.

Sai Yok Yai WaterfallScenic Point · Waterfall that drops directly into the Khwae Noi River. Wooden raft houses moored along the bank. National park entrance fee for foreigners.

Thong Pha PhumRestaurant · Lakeside town on the Vajiralongkorn dam reservoir. Floating restaurants serve catfish from the lake. Last big fuel station before Sangkhlaburi.

SangkhlaburiOvernight · Overnight in Sangkhlaburi. Mon-majority town beside the lake formed by Khao Laem dam. The morning mist over the Mon Bridge is one of the classic images of Thailand.

More routes in Thailand

Krabi to Koh Lanta — Andaman Island CrossingTH · 210 km Chaloem Burapha Chonlathit — Chanthaburi to Trat Coastal RoadTH · 160 km Phu Thap Boek — 111 Bends to Thailand's Cabbage MountainTH · 110 km Koh Chang West Coast — White Sand Beach to Bang BaoTH · 45 km Route 1148 — Nan to Chiang Kham via Thailand's Legend RoadTH · 210 km Umphang Death Highway — 1,219 Curves to Thi Lo SuTH · 255 km

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DAY 02

Mon Bridge → Kanchanaburi

4 stops

Mon BridgePhoto Spot · The 850m wooden footbridge — the longest in Thailand. Walk it at dawn before the mist burns off. Daily morning alms offering at the Mon village end.

Three Pagodas PassMountain Pass · The 282m pass between Thailand and Myanmar. Three small Ayutthaya-era stupas mark the historic invasion route. Border closed to foreign motorbike crossings — turn around here.

Thong Pha PhumRestaurant · Lunch back at Thong Pha Phum on the way south. Different angle of light makes Highway 323 a different ride than yesterday.

KanchanaburiEnd · End back in Kanchanaburi. Cold beer beside the river. Total ride 440km over 2 days.