The correct answer is (a) Kedarnath.
Kedarnath is a Hindu temple dedicated to Lord Shiva. It is one of the four Char Dhams (four sacred Hindu pilgrimage sites) in Uttarakhand, India. The temple is located in the Garhwal Himalayas, at an altitude of 3,584 meters (11,755 feet).
Badrinath is a Hindu temple dedicated to Lord Vishnu. It is one of the four Char Dhams (four sacred Hindu pilgrimage sites) in Uttarakhand, India. The temple is located in the Garhwal Himalayas, at an altitude of 3,133 meters (10,279 feet).
Yamunotri is a Hindu temple dedicated to the goddess Yamuna. It is one of the four Char Dhams (four sacred Hindu pilgrimage sites) in Uttarakhand, India. The temple is located in the Garhwal Himalayas, at an altitude of 3,293 meters (10,811 feet).
Gangotri is a Hindu temple dedicated to the goddess Ganga. It is one of the four Char Dhams (four sacred Hindu pilgrimage sites) in Uttarakhand, India. The temple is located in the Garhwal Himalayas, at an altitude of 3,415 meters (11,195 feet).
Kedarnath is the highest of the four Char Dhams. It is also the most difficult to reach, as it is located in a remote area of the Himalayas. The temple is open to pilgrims from April to November, during the summer months.