The Alpine Visitor Center is about halfway through the Trail Ridge Road. August 10, 2012 by Matt ThomasThe Alpine Visitor Center is about halfway through the Trail Ridge Road. Rocky Mountain National 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:The Alpine Visitor Center is about halfway through the Trail Ridge Road.