Lo monastery was a Kadam monastery founded in the eleventh century by Kadampa master Chennga Tsultrim Bar (spyan snga tshul khrims 'bar, 1038-1103). In the fifteenth century, it was adopted by the Geluk tradition and became the seat of the Geluk master Lo Sempa Chenpo Lodro Gyeltsen. The monastery is in the Upper Kyichu valley and maintains the Barkor Jampa Lhakhang which contains the reliquary stupa of Sempa Chenpo Lodro Gyeltsen.