The object of the Amarnath yatra is not a building. It is a column of ice that forms on the floor of a high cave from water seeping through the rock above, and it is venerated as a lingam of Shiva. Two smaller formations beside it are identified with Parvati and Ganesha. In the traditional understanding the column waxes and wanes with the moon, reaching its full height at the July or August full moon and diminishing after.
It is therefore a shrine whose deity is impermanent by nature, and in warm years it has melted early or failed to form at a substantial height, which has produced periodic controversy, including allegations at various times that ice was supplemented artificially. The shrine board has denied such claims. The honest statement is that the formation varies year to year with temperature and water supply, and that this is inherent to what it is rather than a failure.
The cave is associated in tradition with the place where Shiva told Parvati the secret of immortality, and with the claim that a pair of doves overheard it and are reborn there endlessly. The rediscovery of the cave in the modern period is attributed to a Muslim shepherd, Buta Malik, and his family held a share of the shrine's offerings for generations, an arrangement altered when the statutory shrine board was created.
Everything about the modern yatra is administered: fixed dates, registration, a compulsory medical certificate, a daily cap, and armed escort. Deaths from altitude, exposure and cardiac events are recorded annually, and a flash flood at the cave in 2022 killed pilgrims in the camp.
A 2008 decision to transfer land to the shrine board provoked mass protest in the Kashmir valley and was reversed.