Traill's Pass is a mountain pass

Mountain pass

A mountain pass is a route through a mountain range or over a ridge. If following the lowest possible route, a pass is locally the highest point on that route...

 through the Himalayas

Himalayas

The Himalaya Range or Himalaya Mountains Sanskrit: Devanagari: हिमालय, literally "abode of snow"), usually called the Himalayas or Himalaya for short, is a mountain range in Asia, separating the Indian subcontinent from the Tibetan Plateau...

 located between 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...

 and Nanda Kot

Nanda Kot

Nanda Kot is a mountain peak of the Himalaya range located in the Pithoragarh district of Uttarakhand state in India. It lies in the Kumaon Himalaya, just outside of the ring of peaks enclosing the Nanda Devi Sanctuary, southeast of Nanda Devi itself...

 peaks in the 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...

 state in the districts of Pithoragarh

Pithoragarh

Pithoragarh, is a city with a Municipal Board in the Pithoragarh district in the Indian state of Uttarakhand, was carved out of district of Almora in 1962.-Geography:...

 and Bageshwar

Bageshwar

Bageshwar is a city and a municipal board in Bageshwar district in the state of Uttarakhand, India. It is also the administrative headquarters of Bageshwar district....

 in 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 situated at the end of Pindari glacier

Pindari Glacier

The Pindari Glacier is a glacier found in the upper reaches of the Kumaon Himalayas, to the southeast of Nanda Devi, Nanda Kot. The glacier flows to the south for a short distance of about and gives rise to the Pindari River which meets the Alakananda at Karnaprayag in the Garhwal district.The...

 and links Pindari valley to Milam valley (Lawan Gad) and said to be very difficult to cross. The pass was reached in 1830 by G.W. Traill, the first British Deputy Commissioner of Kumaon division

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...

. In 1926, it was crossed by Hugh Ruttledge

Hugh Ruttledge

Hugh Ruttledge was an English civil servant and mountaineer who was the leader of two expeditions to Mount Everest in 1933 and 1936.-Early life:...

.