I would like to ask if you have any recommendations for a 5 to 6 day hike between 11 and 18 April for four persons in Uttarakhand or Himachal Pradesh. We would come from Delhi on 10 April and return to Delhi on 19 April Before suggesting trail(s) we would like to know the following:

Singalila ridge and different trek options: Singalila ridge is a north to south mountain ridge and runs along Nepal/India border. Towards south it is the De facto border between Nepal and West Bengal in India passing through Sandakphu and Phalut. Then it continues north bordering Nepal and Sikkim up to the foot of Kanchenjunga. Quite