Hors Categorie (10/10)

Doi Inthanon

Distance46.6 km
Elevation Gain2562 m
Avg Gradient5.5%
Max Gradient23%
👑
Hors Catégorie — The Elite Tier

Only the top 5% of Climb Quest riders have ever completed a Hors Catégorie climb. Doi Inthanon is one of the hardest ascents in the entire library. Earn your place among elite climbers — and unlock the chance to claim a Legendary Holographic card by beating the record.

Card
Don't just climb it. Claim it.

Complete Doi Inthanon in Climb Quest to scratch off your trophy card and add it to your collection. Finish in the top 10% (after 10+ attempts) to earn a Gold card. Beat the record for a shot at the Legendary Holographic.

🐉 Part of: Asian Wonders
Download Climb Quest — Free

Elevation Profile

≤ 1% Flat
1-3% Easy
3-7% Moderate
6–8% Challenging
8–10% Steep
10-14% Very Steep
> 14% Extreme

About this climb

Doi Inthanon is a hors categorie cycling climb located in Thailand. The climb covers 46.6 km with a total elevation gain of 2562 m.

With an average gradient of 5.5% and a maximum gradient of 23%, Doi Inthanon is one of the signature climbs in the Climb Quest library. Ride it on your smart trainer with full automatic resistance control — exactly replicating each kilometre's gradient.

Frequently Asked Questions

How long does it take to ride Doi Inthanon?+

At an average cycling pace, Doi Inthanon takes between 200 and 280 minutes to complete. The 46.6km climb with its 5.5% average gradient means riders with a higher FTP can push the pace significantly. In Climb Quest, your actual time depends on your real power output.

What FTP do I need to climb Doi Inthanon?+

A moderate FTP of around 175W (watts) is a reasonable starting point for Doi Inthanon. However, the climb has sections reaching 23% gradient, so a higher FTP will make those sections much more manageable. Beginners can still attempt it — just at a slower pace.

What are the hardest sections of Doi Inthanon?+

The maximum gradient on Doi Inthanon reaches 23%, which is significantly steeper than the 5.5% average. These sections require the most power and are where riders typically need to shift to their easiest gears. Climb Quest shows the full gradient profile so you can plan where to conserve energy.

Can I ride Doi Inthanon on a smart trainer?+

Yes — Doi Inthanon is available in Climb Quest for any FTMS-compatible smart trainer (Wahoo KICKR, Tacx NEO, Elite Suito, and more). The app automatically adjusts resistance to match the real-world gradient at every point of the 46.6km climb, giving you an authentic simulation of riding outdoors in Thailand.

Does completing Doi Inthanon earn a scratch card trophy?+

Yes — every time you finish Doi Inthanon in Climb Quest, you earn a scratch card trophy for this climb. Rub the card to reveal your rarity tier: Standard, Bronze (top 50%), Silver (top 25%), Gold (top 10% after 10+ attempts), or the ultra-rare Legendary Holographic (beat the climb record or reach the top 1% after 100+ attempts). Your card is added to your personal Trophy Cabinet.

Is Doi Inthanon part of a collection in Climb Quest?+

Doi Inthanon is part of the Climb Quest world climb library, and is featured in the Asian Wonders collection . Complete all climbs in a collection to earn that collection's badge. Build your Trophy Cabinet and prove you conquered some of the world's greatest climbs.

🚴 Ride this climb on your smart trainer

Ready to tackle Doi Inthanon?

Download Climb Quest and ride this climb with automatic resistance on any FTMS smart trainer. 2 free rides — no credit card needed.

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