74549
Its source is in the Plateau de Millevaches , a north-western extension of the Massif Central .
 Plateau de Millevaches, Massif Central
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Plateau de Millevaches, Massif Central