It takes 30-50 gallons of sap to make one gallon of maple syrup.
It takes one gallon of maple syrup to produce eight pounds of maple candy or sugar.
Usually a maple tree is at least 30 years old and 12 inches in diameter before it is tapped.
Each tap will yield an average of 10 gallons of sap per season, producing about one quart of syrup.
Tapping does no permanent damage and only 10 percent of the sap is collected each year.
Many maple trees have been tapped for 150 or more years.