The schedule for summer ranger-led activities in Glacier National Park through June 30 has been released. The activities include a variety of hikes, talks, boat tours, demonstrations, and evening programs. Hour-long to day-long hikes led by rangers are offered in many areas of the park, including Lake McDonald Valley, Two Medicine, Many Glacier, and St. Mary. Most programs are free of charge. The schedule of activities is available at http://home.nps.gov/applications/glac/inforequest/inforequest3.cfm or may be obtained when entering the park. Read the full announcement here.