Since 1933, volunteers in the Eagle River area have been getting together around this time of the year to build an ice castle. How did this tradition start, though? Gary Entz has the story as part of our weekly series A Northwoods Moment in History . On the weekend nearest to the New Year, volunteers in Eagle River gather on Silver Lake to score and cut over 2,300 blocks of ice. Each block is 12” x 10” x 20” in size and weighs roughly 60 to 70 pounds each. These blocks are subsequently hauled to