Triyuginarayan Temple is a sacred Hindu temple situated in the Rudraprayag district of Uttarakhand, India. The temple is dedicated to Lord Vishnu, and it is believed to be the place where Lord Shiva and Goddess Parvati got married. According to Hindu mythology, the temple is said to have been built during the Treta Yuga by the king of the Pandavas, Yudhishthira.

The temple is located at an altitude of 1980 meters above sea level and is surrounded by beautiful mountains, lush green forests, and scenic landscapes. The temple is a popular pilgrimage site and is visited by thousands of devotees every year.

One of the unique features of the Triyuginarayan Temple is the eternal flame that burns inside the temple. The flame is said to have been burning continuously for thousands of years and is considered to be a manifestation of Lord Vishnu. It is believed that the flame was lit during the wedding of Lord Shiva and Goddess Parvati and has been burning ever since.

The temple is also famous for its hot water spring, which is located near the temple complex. The water in the spring is believed to have medicinal properties and is said to cure many ailments. Devotees often take a dip in the spring before entering the temple as it is considered to be a purifying ritual.

The Triyuginarayan Temple is also a popular trekking destination. The trek to the temple is a challenging one, but it is worth it as the views from the top are breathtaking. The trek passes through dense forests, waterfalls, and streams, and it is an excellent way to experience the natural beauty of Uttarakhand.