Phayu, the fifth king of
Lan Na from the
Mangrai dynasty, constructed Wat Phra Singh in 1345. He ordered the construction of the temple after bringing the ashes of his father,
Khamfu from
Chiang Saen, to be interred in a stupa here. This temple was formerly known as Wat Lee Chiang Phra because the area in front of it served as a towns's marketplace, which subsequently evolved into the Lee Chiang Phra market. In 1400,
Saenmueangma, the king of
Lan Na, received the
Phra Phuttha Sihing, also known as Phra Singh, from
Maha Phrom, the ruler of
Chiang Rai, who had acquired it from
Kamphaeng Phet. The Phra Phuttha Sihing, also known as Phra Sing, was subsequently enshrined at Wat Lee Chiang Phra, the locals have referred to the temple as "Wat Phra Singh" ever since.
Khruba Siwichai started renovate Wat Phra Singh in the early 1920s. His larger effort to revitalise Buddhism and restore other significant temples in the Lan Na region included this restoration.
Ananda Mahidol (Rama VIII), bestowed upon it the status of
Royal temple of the first grade in 1935. == Viharn Luang ==