NORWICH – The Chenango Greenway Conservancy invites you to celebrate National Trails Day, June 5, on the Chenango Greenway Riverwalk Trail. National Trails Day is a long-standing celebration of America's magnificent trail system and its countless supporters and volunteers sponsored by the American Hiking Society. Norwich’s Riverwalk Trail Improvement is one of more than 1,500 events taking place around the country on National Trails Day.