✓ In season — great time to go

Green Lake Trek in October

Weather, temperatures, packing and honest advice — from the team that runs this trail.

The quick answer

Yes — October is one of the best months for the Green Lake trek. It falls squarely in the trail's prime season (Apr, May, Oct, Nov). The trek runs 11 days from Lachen, North Sikkim, reaching 16,000 ft at its highest point, and is graded Difficult (5/5). The fee is ₹34,999 + 5% GST with permits, meals, camping and certified trek leaders included.

Weather & trail conditions in October

The monsoon washes the sky clean, leaving the sharpest mountain views of the year. Trails are dry, rivers settle down, and nights get progressively colder as winter approaches. On Green Lake, expect daytime temperatures around 10°C on the trail and roughly -5°C at the highest camps after dark in October.

October in the Himalayas

Daytime

~10°C

Night at camp

~-5°C

Highest point

16,000 ft

Grade

Difficult

What to pack for October

✓ Layered warm wear — October nights differ hugely from September's
✓ A padded jacket for camps above 10,000 ft
✓ High-ankle trekking shoes for dry, rocky trails
✓ A good camera — this is the season of clear summit views

Don't own the gear? Rent shoes, jackets and more on our rentals page — sanitised after every trek.

Booking notes for October

The busiest autumn month: Dussehra and Diwali windows sell out well in advance. The best months for Green Lake are Apr, May, Oct, Nov.

Frequently asked

Is October a good time for the Green Lake trek?

Yes — October is one of the best months for the Green Lake trek. It falls squarely in the trail's prime season (Apr, May, Oct, Nov).

How cold is Green Lake in October?

Plan for daytime temperatures around 10°C and nights near -5°C at the higher camps. Our sleeping bags are rated for well below these temperatures.

Can beginners do Green Lake in October?

Green Lake is graded Difficult (5/5), so we recommend at least one prior Himalayan trek. Beginners should start with Nag Tibba, Dayara Bugyal or Kedarkantha instead.