Travel to Mammoth Lakes during this un-crowded time of year and enjoy the brilliant, fiery colors that fall has to offer. Mono County and the Inyo National Forest are rated #2 in the United States for the best fall foliage viewing by GORP.com. TravelandLeisure.com also ranks the Eastern Sierra among America's Best Fall Color Drives! Every autumn, cottonwood, quaking aspen and willow are transformed into colorful hues of gold, orange and russet. Take the Fall Color Tour! The Eastern High Sierra Fall Color Guide provides twenty locations to view spectacular fall colors from Big Pine Canyon in the south to Walker River Canyon in the north. Pick one up at the California Welcome Center - Mammoth Lakes located on Hwy 203 at the entrance to town.