Koyoss was an Iulutiun village known for the quality of its sled dogs.[1]


Koyoss was located in the Alpuk region of the Great Glacier, alongside a stream flowing between the Uppuk River and the Lugalpgotak Sea.[2]


The inhabitants of Koyoss raised sled dogs of every breed native to the Great Glacier, which included the heteff, mukteff, and okteff breeds.[1]


  1. 1.0 1.1 1.2 1.3 1.4 Rick Swan (1992). The Great Glacier. (TSR, Inc), p. 70. ISBN 1-56076-324-8.
  2. Rick Swan (1992). The Great Glacier (map). (TSR, Inc). ISBN 1-56076-324-8.