Business Philosophy Eastern Sierra Tours was created to offer an un-matched level of customized sightseeing/outdoor adventure in the Eastern Sierra as well as the Owens Valley, Yosemite, and Death Valley.
People The company is owned and operated by Mammoth Lakes local Karl Banman. Karl has lived in the area for many years and enjoys playing host to people from all over the world, and showing them the incredible mountains, valleys, and deserts of Eastern California.