Experience the sparkling white beauty of winter at Cedar Breaks! It is a myth that Cedar Breaks cannot be accessed once 148 is closed. Download our Winter Visitor Guide and read more below... The north section of the park along State Route 143 is OPEN year-round (except during and immediately after heavy snowstorms.) This includes the North View Overlook, Rattlesnake Trail pull-off and the winter parking area at the junction of 143 & 148.