Tirsuli is a Himalayan mountain peak in the Pithoragarh district

Pithoragarh District

Pithoragarh district is the easternmost Himalayan district in the state of Uttarakhand, India. It is naturally landscaped with high Himalayan mountains, snow capped peaks, passes, valleys, alpine meadows, forests, waterfalls, perennial rivers, glaciers and springs. The flora and fauna of this area...

 of Kumaon

Kumaon Division

For Kumaoni/Kumauni People see Kumauni PeopleKumaon or Kumaun is one of the two regions and administrative divisions of Uttarakhand, a mountainous state of northern India, the other being Garhwal. It includes the districts of Almora, Bageshwar, Champawat, Nainital, Pithoragarh, and Udham Singh Nagar...

 Uttarakhand

Uttarakhand

Uttarakhand , formerly Uttaranchal, is a state in the northern part of India. It is often referred to as the Land of Gods due to the many holy Hindu temples and cities found throughout the state, some of which are among Hinduism's most spiritual and auspicious places of pilgrimage and worship...

, India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

. It is part of the complex of mountains, including Tirsuli West

Tirsuli West

Tirsuli West, or Trishuli West, is a Himalayan mountain peak in the Chamoli district of Uttarakhand, India. It is part of the complex of mountains, including Tirsuli, Hardeol, Dunagiri, Changabang, and Kalanka, which make up the northeast wall of the Nanda Devi Sanctuary, in the Garhwal Himalaya...

, Hardeol

Hardeol

Hardeol or 'Temple of God' is one of the major peaks of the Kumaon Himalaya. It is the highest peak on the northern side of the ring of peaks guarding the Nanda Devi Sanctuary, and lies at the northeast corner of this ring. It is situated at the northern end of the Milam valley, in the Pithoragarh...

, Dunagiri

Dunagiri (mountain)

Dunagiri is one of the high peaks of the Garhwal Himalayas in the northern Indian state of Uttarakhand. It lies at the northwest corner of the Sanctuary Wall, a ring of peaks surrounding Nanda Devi and enclosing the Nanda Devi Sanctuary....

, Changabang

Changabang

Changabang is a mountain in the Garhwal Himalaya of Uttarakhand, India. It is part of a group of peaks that form the northeast wall of the Nanda Devi Sanctuary. It is a particularly steep and rocky peak, and all routes on it are serious undertakings. It has been the site of many significant climbs...

, and Kalanka, which make up the northeast wall of the Nanda Devi

Nanda Devi

Nanda Devi is the second highest mountain in India and the highest entirely within the country ; owing to this geography it was the highest known mountain in the world until computations on Dhaulagiri by western surveyors in 1808...

 Sanctuary, in the Garhwal

Garhwal Division

Garhwal is the north-western region and administrative division of the northern Indian state of Uttarakhand which is home to the Garhwali people. Lying in the Himalayas, It is bounded on the north by Tibet, on the east by Kumaon region, on the south by Uttar Pradesh state, and on the north-west by...

 Himalaya. It rises at the northern end of the Johar Valley

Johar Valley

Johar Valley is a valley located in Uttarakhand, India, along the Gori Ganga river. The valley used to be a major trade route with Tibet. The best known villages in the valley are Munsiyari and Milam....

, which drains into the Ghori Ganga. This peak should not be confused with nearby Trisul

Trisul

Trisul is a group of three Himalayan mountain peaks of western Kumaun, with the highest reaching 7120m. The three peaks resemble a trident - in Hindi/Sanskrit, Trishul, trident, is the weapon of Shiva. The Trishul group forms the southeast corner of the ring of peaks enclosing the Nanda Devi...

, which is on the southwest side of the Sanctuary.

In 1939, a serious attempt on this peak by the successful Polish

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 expedition to Nanda Devi East was abandoned after a night avalanche buried leader Adam Karpinski and climber Stefan Bernadzikiewicz at Camp 3. Indian team led by Mohan Singh Kohli

Mohan Singh Kohli

Captain Mohan Singh Kohli is an internationally renowned Indian mountaineer. An officer in the Indian Navy who joined the Indo-Tibetan Border Police, he led the 1965 Indian expedition which put nine men on the summit of Everest, a world record which lasted for 17 years...

 from Indian Mountaineering Foundation, under Ministry of Defence, Government of India tried an unsucessful attempt to the peak in 1964. Another team lead by K. P. Sharma and organized by Himalyan Association attempted the peak in 1965, but turned back from about 18000 ft (5,486.4 m). The peak was scaled for the first time on October 9, 1966 by another Indian team led by Chanchal Kumar Mitra. They ascended the east face of the south-east ridge and then took the south-east ridge to the top, mounting the summit bid from Camp 5, at about 21860 ft (6,662.9 m). Nirapada Mallik and Shyamal Chakrabarty were the summitters. Other members of the team were Manik Banerjee, Marcopolo Srimal, Dr. Jungpangi from Geological Survey of India, and others. The expedition was organised by the Himalayan Association, Kolkata

Kolkata

Kolkata , formerly known as Calcutta, is the capital of the Indian state of West Bengal. Located on the east bank of the Hooghly River, it was the commercial capital of East India...

.