A popular and probably the best day tour from Gangtok is a trip to Tsomgo Lake – a glacial lake about 35kms from Gangtok and at an altitude of about 12,310 ft. The same day trip also covers the fabled Baba Mandir. Tsomgo lake and Baba Mandir combination takes about 5-6 hours round trip (including the time it takes to see the places). Nathula is not included in this package. This shall be provided on request at an additional cost of approximately Rs. 3000/- to Rs. 4000/- per vehicle, if the passes are issued. It is not 100% assured since it depends on the daily availability quota, climatic conditions, geo-political situations and other various reasons.