Explore/Thailand/TH/Doi Ang Khang Royal Project Circuit — Chiang Rai Highlands Loop

THChiang Rai, ThailandModeratePaved

Doi Ang Khang Royal Project Circuit — Chiang Rai HighlandsLoop.

Distance

200 km

Duration

1 day

Climb

1,600 m

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Curated by Rider · Updated Jun 2026

Overview

Doi Ang Khang Royal Project Circuit — Chiang Rai Highlands Loop.

A northern Thailand highland loop from Chiang Rai to Doi Ang Khang — Thailand's coldest mountain at 1,928m. The Royal Agricultural Research Station founded by King Bhumibol in 1969 grows temperate fruits and flowers impossible in tropical Thailand: strawberries, peaches, and roses at altitude. The route traverses the far-north border country via Tha Ton on the Kok River before climbing to the station through pine and cherry-blossom forest.

Quick facts

SurfacePaved

Distance200 km

Days1

Total climb1,600 m

Fuel stops1 along route

DifficultyModerate

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Day-by-day

The route.

ROUTE

5 stops

Chiang RaiStart · Start at Chiang Rai. Fill fuel here — there is no petrol on the Doi Ang Khang road. Head west on Route 1089 through Mae Ai district toward Tha Ton.

Tha TonRestaurant · Riverside market town on the Kok River. Longtail boats depart upstream into Myanmar. Good noodle shops by the pier. A calm start before the mountain climb.

Doi Ang Khang Summit — 1,928mMountain Pass · Thailand's coldest mountain hosts the Royal Agricultural Research Station. Strawberries, peaches, persimmons, and rose gardens thrive in the cool highland climate. Temperature drops 10–15°C below the lowlands. Views north into Myanmar on clear days are extraordinary.

FangFuel Stop · Fuel up in Fang for the return leg to Chiang Rai. The Fang hot springs (8km east) produce boiling sulphur pools surrounded by orchards — worth a short detour.

Chiang RaiEnd · Return to Chiang Rai via Route 1020. Wat Rong Khun (White Temple), 13km south of the city, is worth a stop in the last light of the day.

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