The Yen Lap - Loi Am Pagoda belong to Dai Yen Commune, Hoanh Bo District, Quang Ninh Province. Yen Lap Lake is the greatest hydraulic construction in the province. After completion, the water level raised, surrounding the base of the mountains.
Boating across the lake, you come to the remains of the Loi Am Pagoda, which was built in the 15th century on a mountain of the same name. Formerly, it attracted tourists and faithful from every corner of the country. Under the tumultuous periods of Vietnam's history, the pagoda was destroyed but the visitors can find garden of stupas and an incense tree from the 17th century in the immense space of the pagoda.
Loi Am festivities take place on the 27th day of the first lunar month every year.