December Hike Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: December 17, 2020 – December 24, 2020 all-day Repeats 2020-12-17T00:00:00-06:00 2020-12-25T00:00:00-06:00 Where: Fort Abraham Lincoln State Park General Community Mandan Progress Organization This is part of the Fort Abraham Lincoln State Park 2020 Hiking Challenge.