Trail Ridge Road spans the park and connects Estes Park to the western slope town of Grand Lake. With an elevation of 12,183 feet, it is the highest continuously paved road in the United States. From Memorial Day weekend until the Park Service closes it in the fall, it is open to vehicle traffic. Snow can cause temporary closures to the Alpine region in early June or late fall. Trail Ridge Road in fall: Latest winter closure was Dec. 2, 1933. Average winter closure Oct. 23. Hiking above timberline in the park       Read More