Char Dham Yatra consists of Badrinath, Kedarnath , Gangotri and Yamunotri in the state of Uttarakhand, India.
These temples generally remain closed during October to April due to winter.
In 2011, the date of opening of Yamunotri Temple and Gangotri Shrine is May 6, 2011.
Kedarnath Temple will open on May 8, 2011 and Badrinath Shrine will open on May 9, 2011.
Closing Dates Gangotri Temple will close on October 26, 2011 – on the Diwali day
Yamunotri Shrine will close also close on the Diwali day.
Badrinath Temple will close 10 day after Diwali.
Kedarnath Shrine will close the day after Diwali – on October 26, 2011
Gangotri, located at an altitude of 3200 meters.
Yamunotri, at an altitude of 3165 meters.
Badrinath, at an altitude of 3135 meters.
Kedarnath, at an altitude of 3580 meters.
For more information and dates of opening and closing of temples in years beyond 2011 check this site and also the following sites
Garhwal Mandal Vikas Nigam (GMVN)