NPS Photo of a person biking on Going-to-the-Sun Road, carrying snowshoes and skis. High snowdrifts appear on either side of the roadway. Going-to-the-Sun Road 2026: Full Opening Set for Monday, June 22 The National Park Service announced Thursday that the Going-to-the-Sun Road 2026 summer season will begin Monday, June 22, when the full 50-mile route opens to motorized vehicles. Officials caution that rockfalls or other natural events may delay…