The hot springs of Sikkim are known for their therapeutic value. These hot springs are the most important natural attractions of the whole of Sikkim. Some of them are easily accessible from Lachen. The Yumthang Hot Spring is one such well known hot spring which is situated in the Yumthang Village. You can easily hire a car from Lachen and reach here. The waters are rich in Sulphur and the average temperate is around 500C. Another popular hot spring is the Reshi Hot Spring. Ralong Hot Spring and the Borong Hot Spring are the two other popular hot springs which are also a must see.