The Kānvar Yatrā or Kavad Yatra (Devanagari: काँवर यात्रा or कांवड़ यात्रा) is annual pilgrimage of devotees of Shiva, known as Kānvarias, to Hindu pilgrimage places of Haridwar, Gaumukh and Gangotri in Uttarakhand to fetch holy waters of Ganges River, Ganga Jal, which is later offered at their local Shiva temples. The Yatra takes place during the sacred month of Shravan (Saawan) (July -August), according to the Hindu calendar. The Yatra used to be a small affair undertaken by a few saints and older devotees till the 1990s, when it started gaining popularity,[1] today lakhs of devotees from surrounding states of Delhi, Uttar Pradesh, Haryana, Rajasthan, Punjab and some from as far as Bihar, Jharkhand, Chhattisgarh and Madhya Pradesh reach these places to participate in Kanwar Mela, in 2003. 55 lakh pilgrims reached Haridwar,[2] with traffic growing each year, heavy security measures are undertaken by the government and the traffic on...
more... Delhi-Haridwar national highway (National Highway 58) is diverted for the period.[3][4]
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http: //en.wikipedia.org/wiki/Kanwar_Yatra