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Difficult Treks in Sikkim

Set out on a range of difficult treks in Sikkim with Thrillophilia your reliable travel companion. The high altitudes, difficult terrain, and isolated locales make these journeys demanding. On the Goecha La Trek, you can witness the tallest Indian peak of Mount Kanchenjunga. 

Passing through natural woods, you can reach the Kanchenjunga Base Camp which is the base of the third-highest mountain in the world. On the Green Lake Trek, you can reach a remote glacial lake encircled by lofty peaks and alpine meadows. 

The Tholung Trek blends historical monasteries, challenging mountain climbs, and cultural exploration. On the The Kasturi Orar Round Trek, you meander through historic settlements and scenic valleys. Moreover for a smooth experience our trek packages include meals, lodging, knowledgeable guides, and extra activities that you can enjoy to the fullest.

So why delay? Begin your trekking trip in Sikkim with Thrillophilia and navigate some of the most difficult paths in the Himalayas.

Difficult Treks in Sikkim

Here are the top Difficult Treks in Sikkim:

1. Goecha La Trek: The Goechala Trek is one of the difficult treks in Sikkim that is 90 kilometres long and takes about 11 days. You reach an elevation of 15,100 on this walk passing through the pristine Samiti Lake and Thangshing’s mystical settings. You will witness your trail filled with thick rhododendron forests and catch views of the world’s 3rd highest mountain peak.

2. Kanchenjunga Base Camp Trek: Kanchenjunga Base Camp Trek is one of the difficult treks in Sikkim that is 90 kilometres long and takes about 11 days. You reach an elevation of 5200 metres on this walk passing through jungles filled with ferns, rhododendrons, and magnolia. After passing through Bikhbari, you reach the base camp enjoying the views of Rathing, Kabur, Koktang and Frey peaks.

3. Green Lake Trek: The Green Lake Trek is one of the difficult treks in Sikkim that is 92 kilometres long and takes about 12 days. You reach an elevation of 5050 metres on this walk passing through a sprawling green terrain and alpine timber trees. At the end of the trek you reach the Green Lake located on North Sikkim’s Zemu glacier and enjoy serene views of Mt. Sinolchu.

4. Tosar Lake Trek: The Tosar Lake trek is one of the Sikkim difficult treks that is 66 kilometres long and takes 11 days. You reach an altitude of 13,120 feet on this walk passing through the Mangan Ridge’s northern slope covered with wet temperate forest of bamboo. At the end of the trek you reach the high-altitude lake and enjoy views of Kanchenjunga East.

5. Tholung Trek: The Tholung trek is one of the Sikkim difficult treks that is 75 kilometres long and takes 9 days. You reach an altitude of 8000 feet on this walk passing through cardamom groves, rustic hamlets, Tholung monastery, tea farms, and Talung River. At the end of the trek you reach Lingsha and that ends your walk.

6. Kasturi Orar Round Trek: The Kasturi Orar Round Trek is a difficult trek in Sikkim that is 120 kilometres long and takes about 11 days. You reach an elevation of 4940 metres on this walk passing through Thansing meadows, the vast Dzongri plain and Tshoka’s rhododendron forests. You get to enjoy views of the Lampokhari lake’s azure waters, besides views of Jopuno, Tinchen Khang and Goecha peaks at the end of the walk.

Sikkim Difficult Treks Packages

Duration Price
Goechala Trek, Sikkim10 days & 9 nights
INR 20,999
Green Lake Trek, Sikkim13 days & 12 nights
INR 65,000
Sandakphu Trek6 days & 5 nights
INR 9,250
Kanchenjunga Base Camp Trek, Sikkim11 days & 10 nights
INR 17,999

Sikkim Difficult Treks Packages

Trekking through the lush thickets of magnolia, rhododendron, and ferns
10 days & 9 nights
4.5
(3.5K)

Goechala Trek, Sikkim

1DYuksom
1DSachen
1DTshokha
1DDzongri
1DThansing
1DLamuney
1DKokchurang
1DTshokha
2DYuksom
INR 27,938
save
INR 6,939
INR 20,999
/Adult
request_callback
Green Lake Trek, Sikkim
13 days & 12 nights
4.6
(518)

Green Lake Trek, Sikkim

INR 81,250
save
INR 16,250
INR 65,000
/Adult
request_callback
Sandakphu Trek
6 days & 5 nights
4.5
(1.7K)

Sandakphu Trek

1DMane Bhanjang
1DTumling
1DKalapokhri
1DSandakphu
2DSrikhola
INR 12,450
save
INR 3,200
INR 9,250
/Adult
request_callback
Kanchenjunga Base Camp Trek, Sikkim
11 days & 10 nights
4.4
(652)

Kanchenjunga Base Camp Trek, Sikkim

1DYuksom
INR 23,938
save
INR 5,939
INR 17,999
/Adult
request_callback

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Kanchenjunga Base Camp Trek, Sikkim
11 days & 10 nights
4.4
(652)

Kanchenjunga Base Camp Trek, Sikkim

1DYuksom
INR 23,938
save
INR 5,939
INR 17,999
/Adult
request_callback
Trekking through the lush thickets of magnolia, rhododendron, and ferns
10 days & 9 nights
4.5
(3.5K)

Goechala Trek, Sikkim

1DYuksom
1DSachen
1DTshokha
1DDzongri
1DThansing
1DLamuney
1DKokchurang
1DTshokha
2DYuksom
INR 27,938
save
INR 6,939
INR 20,999
/Adult
request_callback
Sandakphu Trek
6 days & 5 nights
4.5
(1.7K)

Sandakphu Trek

1DMane Bhanjang
1DTumling
1DKalapokhri
1DSandakphu
2DSrikhola
INR 12,450
save
INR 3,200
INR 9,250
/Adult
request_callback

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Sikkim Difficult Treks FAQs

How difficult is the Goechala trek?

The Goechala trek is moderately difficult, rated 7/10 for physicality. As you climb to 16,210 feet, the terrain changes from moderate to severe. Given the difficult terrain and elevation gain, this walk is best suited for intermediate to experienced hikers in good physical shape.

How hard is it to climb Kanchenjunga?

It takes significant mountaineering experience and advanced technical skills to climb Kanchenjunga. The difficult terrain and weather make it more difficult than Everest. This is an excursion best left to seasoned climbers with substantial high-altitude expertise.

Where is the Green Lake trek?

North Sikkim's Zemu Glacier is home to the Green Lake Trek. Trekking to Green Lake's base camp is breathtaking and difficult because it is situated above 5000 metres in a verdant setting.

Is Kasturi Orar Round Trek worth it?

Yes, the Kasturi Orar Round Trek is worth it. It offers stunning views of the Himalayas, diverse landscapes, and a chance to explore the untouched beauty of Sikkim. This trek is ideal for adventure enthusiasts seeking a unique and less crowded trekking experience.

Sikkim Difficult Treks Reviews

17 New Reviews This Week

Most Popular Reviews

Photos and reviews from verified travellers
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Amit Tiwari
Reviewed: 08 Mar 2026
5.0/5
Booked: Goechala Trek, Sikkim
Departure City: Guwahati
Sikkim bhromon sotti e monorom chhilo. Thrillophilia-r management khub bhalo. Gurudongmar lake kora tu eai trip-or highlight chhilo. Hotels gulo khub bhalo chhilo aru driver joneo khub bhaloke gari cholaise paharor rastaat. Borhiya trip!
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Krunal Mehta
Reviewed: 08 Mar 2026
5.0/5
Booked: Sandakphu Trek
Departure City: Surat
Experience khub saras hatu ane Sikkim ni culture ane loko khubaj premal lagya. Travel coordinators e badhu j clearly samjavayu ane help kari. Hotels ma stay ek royal experience javu lagyu. Overall trip khub comfortable ane enjoyable hato.
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Kiran Yadav
Reviewed: 05 Mar 2026
5.0/5
Booked: Green Lake Trek, Sikkim
Departure City: Kochi
Trip nalla experience aayirunnu! Sikkim bhangi marakkan pattatha anubhavamaanu. Thrillophilia arrangements super aayirunnu. Nathu La pass visit unforgettable aayirunnu. Thanks Thrillophilia!

Inspiring Wanderlust Vibes

Read what our ecstatic customers have to say
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Bhavika Shah
Reviewed: 30 Jan 2026
4.0/5
Booked: Goechala Trek, Sikkim
Departure City: Mumbai
The landscape looked like a beautiful painting with mountains and valleys all around. The itinerary was well planned with timely transfers and comfortable stays. Monastery visits were scheduled perfectly. Thanks to Thrillophilia and our guide for a smooth experience.
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Rashmi Kulkarni
Reviewed: 09 Jan 2026
5.0/5
Booked: Sandakphu Trek
Departure City: Pune
Khupach chan anubhav! Sagli vyavastha agdi netki hoti. Sikkim che pahad ani frozen lakes baghun masta watle. Thrillophilia team ne amhala khup saharya kele, visheshtha Nathu La permits sathi. Trip kharach ekda tari karaychi ashi ahe!
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Sonal Jain
Reviewed: 08 Jan 2026
5.0/5
Booked: Green Lake Trek, Sikkim
Departure City: Indore
Our getaway turned out to be a well-planned and memorable experience. The stay in Cherrapunji was the highlight, with clouds right outside our balcony creating a surreal vibe. Every detail was handled efficiently by the ground team, and the safari experience was also well organized. It was a seamles... Read More
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Rashmi Jain
Reviewed: 08 Jan 2026
5.0/5
Booked: Kanchenjunga Base Camp Trek, Sikkim
Departure City: Indore
After a great previous experience, we chose Thrillophilia again for our Sikkim trip from Indore, and it did not disappoint. The stay in Pelling was the highlight, with breathtaking views of Kanchenjunga right from our balcony. All arrangements, including permits, were handled seamlessly by the groun... Read More
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Latha Nair
Reviewed: 08 Jan 2026
5.0/5
Booked: Kanchenjunga Base Camp Trek, Sikkim
Departure City: Bhubaneswar
Experience khub bhalo chhilo, pura trip ta khub enjoyable chhilo. Sikkim-er hospitality onek bhalo. Travel coordinators sob jaygay help koreche. Heritage hotel stay ta ekta alada experience chhilo. Borhiya trip!
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Bhakti Dholakia
Reviewed: 10 Dec 2025
4.0/5
Booked: Green Lake Trek, Sikkim
Departure City: Surat
The waterfalls are so peaceful and the views are endless. The package included all permits so we didn't have to waste time at offices. Very convenient and well-executed nature tour.

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