1776
The Ruth Glacier lies to the southeast of the mountain , and the Kahiltna Glacier leads up to the southwest side of the mountain .
 Ruth Glacier, Kahiltna Glacier
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ruth Glacier, Kahiltna Glacier