Monsoon Trekking in Nepal (June-September): Where to Go and What to Expect

Monsoon Trekking in Nepal (June-September): Where to Go and What to Expect

By Shreejan Simkhada, CEO of The Everest Holiday

Everyone says do not trek Nepal in monsoon. We say: it depends where you go. Some of Nepal's best treks are actually at their finest when the rest of the country is drowning in rain.

The Monsoon Reality

June to September brings heavy rain to most of Nepal. Trails become muddy, leeches appear on lower routes, views disappear behind clouds, and flights cancel more frequently. For Everest and Annapurna, monsoon is genuinely not recommended.

BUT — several regions sit in a rain shadow behind the Himalayan ranges. These areas get minimal rainfall even in peak monsoon.

Rain Shadow Treks — Best IN Monsoon

1. Upper Mustang Trek — 15 Days, from $1,292

The forbidden kingdom sits behind Annapurna and Dhaulagiri. While Pokhara gets 300mm of rain in July, Mustang gets 30mm. Desert landscapes, clear skies, warm temperatures. This is genuinely the BEST time for Upper Mustang.

2. Lower Dolpo Trek — 15 Days, from $1,000

Deep in western Nepal behind the Dhaulagiri range. Similar rain shadow effect to Mustang. Remote, spectacular, and virtually empty of other trekkers.

3. Tsum Valley — 16 Days, from $877

The hidden Tibetan valley in the Manaslu region. Protected from monsoon rains by surrounding peaks. Cultural immersion with ancient Buddhist monasteries.

Treks That Are Possible (With Caution)

• Langtang Valley: Possible in September as monsoon fades. Lush green landscapes, fewer crowds. Rain gear essential
• Poon Hill: Short enough to manage between rain spells. Dramatic cloud formations. Leeches on lower sections
• Mardi Himal: September possible. Wildflowers in bloom. Muddy trails below 3,000m

Treks to AVOID in Monsoon

• Everest Base Camp: Heavy rain, poor visibility, dangerous trail conditions, Lukla flights frequently cancelled
• Annapurna Circuit: Thorong La pass can be dangerous with snow and rain. Road sections become muddy rivers
• Manaslu Circuit: Trail damage from landslides, river crossings become dangerous

Monsoon Advantages

• Fewer trekkers — trails are quiet, teahouses have availability
• Lower prices — some companies offer 10-20% monsoon discounts
• Lush green landscapes — the hills are impossibly green
• Dramatic cloud formations and light
• Warm temperatures at lower elevations
• Wildflowers in full bloom

What to Pack Extra for Monsoon

• Waterproof jacket AND waterproof trousers (mandatory)
• Waterproof bag covers for your duffel and daypack
• Leech socks (long socks pulled over trouser legs) for lower elevations
• Quick-dry clothing — everything gets wet
• Extra dry bags inside your pack

Upper Mustang in monsoon is one of Nepal's best-kept secrets. Book Upper Mustang — 15 Days from $1,292

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