Website:
http://visitmt.com/categories/moreinfo.asp?SiteID=1&IDRRecordID=11088 (Website)

Description:
Freezeout Lake is Montana's primary snow goose staging area, a place where as many as 300,000 snow geese and 10,000 tundra swans gather and rest before flying onward. In Spring, the snow geese head for Alberta and central Saskatchewan in Canada.