Located in the Eastern Himalayan mountains in Darjeeling Hills, Neora Valley National Park is the richest bio-diversity park in India. Established in the year 1986 with an area of 89Square Km. in Kalimpong Sub-Divison of Darjeeling District is a treasure trove of flora and fauna. The Neora Valley Reserve Park with an amazing bio-diversity & pristine ecosystem has been given the UNESCO Heritage tag as it is home to a number of endangered plants, animals and birds. Samsing-Rachela Pass corridor has long been the migratory route for the Royal Bengal Tiger going into Bhutan. There are areas still unexplored in the Neora Valley National Park. Neora Valley National Park is also a haven for bird watchers.

The famous Rachela Pass Trek is located in this eco friendly Reserve Park. Rachela Pass at an altitude of 3152 is the highest point in the Neora National Park. Surrounded by rhododendron trees, you can get mesmerising views of the Jelep La pass, Nathu La Pass, Singalila and Chola ranges from here. Rachela Pass infact is the Tri Junction between West Bengal, Sikkim & Bhutan. Rachela Pass used to be the corridor for trade route between Sikkim & Bhutan in the past.

Rachela Pass Trek is an absolute visual treat because when you have a trek route among these forests, you can experience the best of nature and her bounties . One can start the Trek from Lava a small hill town or likewise end the trek in Lava. There are various options for this trek to start or end. One can start the trek from Lava & end in Mulkharka. A small beautiful hamlet in the Darjeeling Hills or in Samsing, Dooars. The Rachela Pass Trek can be done in the reverse manner too.

The trek route goes through virgin forests of bamboo and pine that are hardly explored. The forests are thick and dense and you can really feel the silence of the forest here. This unexplored trail is actually a true gem and a perfect opportunity to get close to the nature.