See the Thompson-Neely Grist Mill in action during a live milling demonstration on Sunday, September 16. The park’s miller will use 19th century techniques and tools to demonstrate how the Grist Mill would have functioned as part of the Thompson-Neely Farmstead. The mill is located across the street from the Thompson-Neely House and Farmstead, 1635 River Road, New Hope, PA. Admission is $7 per person and includes a guided tour of the Grist Mill and Thompson-Neely House and Farmstead. Visitors who have purchased a $15 multi-site tour for this date may attend a milling demonstration at no charge.