Of the tall tree champions for Massachusetts, Mohawk Trail State Forest currently boasts 18 champions. However, many of these champion trees are not conspicuously large in girth. They have grown exceptionally tall in the rich, moist, protected ravines of the central Berkshires. Note that what is being described are champion tall trees, which are not to be confused with official state champion trees. The latter are based on weighted measurements of girth, height, and crown spread to arrive at composite scores suggestive of overall size. The national champion sugar maple listed in the National Register of Big Trees grows in the State Forest.