141572
Tired of the bad weather that prevailed in Chamonix , the following year the two men engaged three guides in the valley and went to La Grave and the " rocher de l'aigle " ( " rock of the eagle " ) to bivouac .
 Chamonix, La Grave
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chamonix, La Grave