季节:黄石公园最早一般四月底开始路续开放,真正完全开放一般都在5月中下旬,以2017年为例April 21: Mammoth to Old Faithful; Madison to West Entrance; Norris to Canyon.May 5: Canyon Junction to Lake; Lake to East Entrance (Sylvan Pass).May 12: Lake to West Thumb, West Thumb to Old Faithful (Craig Pass), and South Entrance to West Thumb; Tower Junction to Tower Fall.May 26: Tower Fall to Canyon Junction...