Explore/Thailand/TH 50/Doi Lang — Fang Frontier Sky Road
THFang, ThailandChallengingMixed

Doi Lang — Fang Frontier SkyRoad.

Distance
160 km
Duration
1 day
Climb
2,400 m
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Curated by Rider · Updated Oct 2026
Overview

Doi Lang — Fang Frontier Sky Road.

A demanding day loop over Doi Lang, the 2,100m frontier ridge on the Myanmar border in Chiang Mai's far north. Route 1249 climbs from Fang through rhododendron and winter cherry blossom to one of Thailand's great birding and adventure roads, then drops the east side to the Kok River at Tha Ton before looping back through Mae Ai.

Quick facts

SurfaceMixed
Distance160 km
Days1
Total climb2,400 m
DifficultyChallenging
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Day-by-day

The route.

ROUTE
5 stops
Start
FangStart · Start in Fang, hot-springs town in Chiang Mai's far north. Fuel up — the Doi Lang road has no services once you climb.
Pass
Doi Lang Summit RidgeMountain Pass · Climb Route 1249 to the ~2,100m frontier ridge on the Myanmar border. Rhododendrons, winter cherry blossom, and one of Thailand's top birding roads. Rough and steep in patches.
Food
Tha TonRestaurant · Descend the east side to Tha Ton on the Kok River. Wat Tha Ton's hillside terraces overlook the valley; lunch by the water.
Scenic
Mae AiScenic Point · Quiet border-district town among lychee orchards. Rejoin Route 107 south for the run back.
End
FangEnd · Loop back to Fang. Soak in the hot springs to end the day.

More routes in Thailand

Kaeng Krachan Rainforest Loop — Phetchaburi to Cha-amTH 76 · 200 kmThong Pha Phum to E-Thong — Pilok Frontier Mining VillageTH 71 · 320 kmBetong Sea of Mist — Deep South Frontier RunTH 95 · 340 kmDoi Phu Kha & Bo Kluea Salt Village Loop — NanTH 55 · 290 kmDoi Tung — Chiang Rai to the Northern Border via the Royal MountainTH 57 · 130 kmDoi Mae Salong — Chiang Rai to Santikhiri Tea MountainTH 57 · 150 km

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