Yosemite Hospitality provides bus tours all year. All of those tours start in Yosemite Valley. Valley Floor Tour operates all year, and it is a two-hour tour of Yosemite Valley. However, this tour depends on the weather from April through October. Glacier Point Tour is available as well, typically, late May until in November. Grant Tour is a full-day service. It is provided from May to September. Tuolumne Meadows Tour serves from July through early September.