Question: yosemite do i need chains?
Answer: Chains are required on all vehicles, no exceptions. Including those with four-wheel / all-wheel drive. Tire chains should be purchased before your winter trip to Yosemite National Park. ... For current road information outside of Yosemite National Park, call CALTRANS at: 1-800-427-7623 (1-800-GAS-ROAD).