Mt. Bierstadt on the right and the Sawtooth in the center. August 19, 2013 by Matt ThomasMt. Bierstadt on the right and the Sawtooth in the center. Guanella Pass 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:Mt. Bierstadt on the right and the Sawtooth in the center.