Burfu–Martoli Heritage Hike AMS Risk Calculator

Very low AMS risk at this altitude for normal healthy adults. Monitor for headache or sleep disturbance first night at Martoli. If symptomatic: descend to Burfu (10,200 ft) — sufficient relief at 800 ft lower.

The primary risks on Burfu–Martoli Heritage Hike are: Landslide on the Gori Ganga gorge road (July–August primarily; less common in May, June, September, October but possible after heavy rain at Munsiyari), Mild AMS — Martoli at 11,000 ft is within the altitude range where sensitive individuals may experience headache; hydration and slow pace manage this easily, Structural instability in abandoned Martoli Himals — some upper-floor sections have degraded floor joists; follow guide instruction on which structures are safe to enter. Your operator should brief you on each of these before departure.

Completely safe for solo travel. The trail from Burfu to Martoli is used by Shauka families throughout the season. A solo traveler is welcome in the Martoli homestays. However, a heritage guide adds irreplaceable value that a solo traveler without local context cannot access independently.