The correct answer is option A. Chandertal Lake is situated at an approximate height of 4270 m above sea level. It is a glacial lake located in the Lahaul-Spiti district of Himachal Pradesh, India. The lake is a popular tourist destination and is known for its scenic beauty. It is also a popular spot for trekking and mountaineering.
Option B is incorrect because the height of Chandertal Lake is not 4290 m.
Option C is incorrect because the height of Chandertal Lake is not 5072 m.
Option D is incorrect because the height of Chandertal Lake is not 4080 m.