Cyclist registration is now open for the Stihl Tour des Trees, a weeklong, 500-mile, cross-country cycling event to benefit the Tree Research and Education Endowment (TREE) Fund.

“The Stihl Tour des Trees is a memorable, green way to see the country and meet folks from across the nation who share interests in conservation and cycling,” says Paul Wood, Tour Director. “Every rider leaves the Tour with strong relationships and a desire to come back and ride again the next year.”

Considered America’s largest fundraiser for tree research, the 2009 Stihl Tour des Trees kicks off in