Chardham yatra starts from Akshay Tritiya. This year it is on 3rd May 2022. Kedarnath trek starts from Gaurikund. Helicopter rides to Kedarnath are also available.
The complete trek of Kedarnath is of 16 kilometers which starts from Gaurikund to Kedarnath. The trek has changed after the 2013 flood disaster and since then the 14 kilometers trek has changed and turned 16 kilometers trek. https://www.yatrabyhelicopter.in/