The change of elevation throughout the County ranges from 1,300 feet (400 meters) to nearly 9,600 feet (2,900 meters) which means the weather is different depending on location and time of year.
Tuolumne County is a four-season destination. Find the perfect time of year to visit that matches your interests:
Highway 120 is open year-round to Yosemite National Park and into Yosemite Valley. Tioga Pass over the Sierra is closed for the winter and opens around the first of June. Highway 108’s Sonora Pass is closed over the Sierra after the first major snowfall but is kept plowed to Leland Meadows and Dodge Ridge. Sonora Pass usually reopens in mid-May. It is always advisable to carry chains in the mountains during the winter. Snow rarely falls as low as downtown Sonora.
CALTRANS HIGHWAY CONDITIONS
YOSEMITE HIGHWAY CONDITIONS