The correct answer is: A. Bharmour
Bara Bhangal Trek is a 12-day trek in the Dhauladhar mountain range in the Indian state of Himachal Pradesh. It is located in the Bharmour district of the state. The trek starts from the village of Bharmour and ends at the village of Bhangal. The trek is a challenging one and requires a good level of fitness. The trek passes through some of the most beautiful scenery in Himachal Pradesh, including snow-capped mountains, glaciers, and forests. The trek is also home to a variety of wildlife, including snow leopards, Himalayan tahr, and musk deer.
Option B, Una, is incorrect because Bara Bhangal Trek is not located in Una district. Una is a district in the Indian state of Himachal Pradesh. It is located in the southern part of the state. The district is known for its scenic beauty, its temples, and its historical sites.
Option C, Kangra, is incorrect because Bara Bhangal Trek is not located in Kangra district. Kangra is a district in the Indian state of Himachal Pradesh. It is located in the central part of the state. The district is known for its temples, its historical sites, and its tea gardens.
Option D, Kullu, is incorrect because Bara Bhangal Trek is not located in Kullu district. Kullu is a district in the Indian state of Himachal Pradesh. It is located in the northern part of the state. The district is known for its scenic beauty, its temples, and its apple orchards.