The Yampa side is a well-maintained gravel road. February 28, 2013 by Matt ThomasThe Yampa side is a well-maintained gravel road. Flat Tops Trail About Matt Thomas Matt is an avid writer and explorer, who loves to showcase his home state of Colorado. His favorite place to be is right here in the Centennial State. Previous Post:The Yampa side is a well-maintained gravel road.