Rohtang pass reached after 51 km on Manali – Keylong road. The height of Rohtang Pass is 3978 meters from sea level. December is the month when Manali and surrounding areas remain snowy and cold. You can see snowfall towards Rohtang Road or in Manali town obviously. Mountains crest is full of snow and winds are glacial cold in December. The flow of river Bias starts to decrease because water starts freezing at minus temperature at night.
Rohtang Pass remains banned to enter for tourism purpose in December month. You can travel up to Gulaba till 15th of December but after it, this would also closed. Online permission portal of Rohtang Pass disabled to provide permits to Rohtang Pass. Border road organization sets two rescue posts one at Gulaba and 2nd at Kokser. If some emergency happens these posts comes into action. You can visit Snowpoint in December and do every activity you thought to do in Manali. Snow point is allowed to make at Solang Valley or Gulaba. You can try skiing, snowboarding, paragliding, zorbing, horse riding at snow point. Moreover, you can enjoy driving a snowmobile or quad bike.
You should put on all type of winter clothes before visiting snow point. You should put on warm innerwear, warm socks, gloves, caps, sweaters, jackets, pants before visiting snow point. You can also rent clothes from shops located on the way to Rohtang Pass