The altitude gap here is significant. Rupin-Supin River Trail takes you 3,700ft higher than Panwali Kantha — expect meaningfully harder breathing, a slower pace on the upper section, and a real difference in AMS risk between the two.

Both require prior experience, but Rupin-Supin River Trail scores 11 difficulty points higher. If you're building progressively, Panwali Kantha is the better starting point.

Don't just look at the difficulty rating. Rupin-Supin River Trail Trek features punishing climbs with a max gradient of 55%, posing a significant challenge to knees. Panwali Kantha Trek is much more forgiving with a gentler 45% max gradient.

Better for: Panwali Kantha

Panwali Kantha Trek is significantly easier to reach with only a 7-hour drive from the nearest transport hub. Rupin-Supin River Trail Trek requires a gruelling 11-hour mountain journey before you even start trekking.

Better for: Panwali Kantha

Panwali Kantha Trek is significantly more family-friendly. It allows children as young as 12 and features western toilets at basecamp, whereas Rupin-Supin River Trail Trek requires trekkers to be at least 16 and has primitive facilities.

Better for: Panwali Kantha

Rupin-Supin River Trail Trek passes through active high-altitude predator territory (noted for bears or snow leopards), requiring strict food storage and noise deterrents. Panwali Kantha Trek has virtually zero predator risk along its trail.

Panwali Kantha Trek: Ultra-Low. Rupin-Supin River Trail Trek: Moderate for an organized commercial trek. Popular group format. September has highest group density..