Hey,
You can check these place out :-
- Gangtok - Tsomgo Lake - Nathula Pass - Kanchenjunga Base Camp - Lachen, Lachung and Yumthang Valley
- Pelling - Zuluk - Teesta River.
The top attractions in Sikkim are: Yumthang Valley, Pelling Sky Walk, Namchi Char Dham, Ravangla’s Buddha Park, Rumtek Monastery, MG Marg, Chopta Village, Thangu Valley.