Tripod Fire of 2006 (IMAGE) University of Washington Caption The 2006 Tripod Complex Fire in the North Cascades of Washington burned 175,000 acres, or nearly 275 square miles. Credit USDA Forest Service Usage Restrictions Photo credit required License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.