The popular treks in Sikkim through Khangchendzonga National park are Yuksom-Dzongri-Goecha la-Yuksom (view of Khangchendzonga and Kabru (7338 m) and Singalila ridge at Nepal border trek. Yuksom is 6 hour from Darjeeling via Jorethang.

Yuksom - Goecha la trek : This is the most popular trek in Sikkim, also called Khangchendzonga trek (88 km, 8 days). The best time for the trek is from Oct to Nov. Altitude sickness is common during this route and acclimatisation is strongly recommended for the completion of the trek. Do not trek too high too quickly.

The pretty village of Yuksom has share jeep service (5 to 6 am) to Jorethang. Trekking group of four has to get permit for the trek. Trekker's huts are available on the route for camping at Tsokha, Dzongri, Kokchuran, Thangsing and Samiti lake.

Day 1 : Trek from Yuksom (1780 m) to Tsokha (3050 m, 7 hour) via Bakhim (2740 m).
Day 2 : Acclimatisation day.
Day 3 : Trek to Dzongri (4025 m, 5 hour) via Phedang (3760 m). Food & accommodation is available here.
Day 4 : Acclimatisation is recommended. During the day visit the nearby Dzongri la (4550 m), a 4 hour round trip with great views of Mt Pandim (6691 m).
Day 5 : Trek to Samiti lake (4200 m, 7 hour) via Thangsing (3840 m).
Day 6 : An early morning trek to Goecha la (4940 m) for breathtaking views of Khangchendzonga and trek back to Thangsing (9 hour).
Day 7 : Trek to Tsokha (6 hour).
Day 8 : Trek to Yuksom (6 hour).