A hiker/biker trail in the distance near Mack Mesa Lake. May 14, 2012 by Matt ThomasA hiker/biker trail in the distance near Mack Mesa Lake. Highline Lake State Park. 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:A hiker/biker trail in the distance near Mack Mesa Lake.