Maple syrup pours from the evaporator Tuesday at Locomotive Treehouse Sugarhouse in the Danville neighborhood of Auburn. Daryn Slover/Sun Journal

Steam rises Tuesday as maple sap boils inside the Locomotive Treehouse Sugarhouse in the Danville neighborhood of Auburn. Daryn Slover/Sun Journal

Dan Giguere of Lewiston boils maple sap Tuesday in his Locomotive Treehouse Sugarhouse in the Danville neighborhood of Auburn. “It has been a good season,” he said, having made about 150 gallons of syrup so far this season. Giguere said he expects to collect sap for another week or two. Daryn Slover/Sun Journal

Dan Giguere of Lewiston boils maple sap Tuesday inside his Locomotive Treehouse Sugarhouse in the Danville neighborhood of Auburn. “It has been a good season,” he said, having made about 150 gallons of syrup so far. Giguere said he expects to collect sap for another week or two. His sugarhouse will be open from 9 a.m. to 4 p.m. Saturday and Sunday during Maine Maple Weekend. Daryn Slover/Sun Journal

Steam rises Tuesday as maple sap boils inside the Locomotive Treehouse Sugarhouse in the Danville neighborhood of Auburn. Dan Giguere of Lewiston spent two years building his sugarhouse among his maple grove along Old Danville Road. The treehouse will be open from 9 a.m. to 4 p.m. Saturday and Sunday during Maine Maple Weekend. Daryn Slover/Sun Journal