Six "Mother" Nyingma Monasteries

Six "Mother" Nyingma Monasteries

1. Katok Monastery, in east Tibet, was founded during the twelfth century, and expanded in 1656.
   
2. Dorje Drak Monastery was founded in central Tibet, in 1659.
   
3. Mindroling Monastery, in central Tibet, was established in 1676.
   
4. Palyul Monastery, founded in east Tibet in 1665.
   
5. Dzogchen Monastery, in east Tibet, established in 1685.
   
6. Shechen Monastery founded in east Tibet, in 1735.

Source

RigpaWiki:Six "Mother" Nyingma Monasteries