Susquehanna National Heritage Area will host Natural Ornament Making at Columbia Crossing River Trails Center, 41 Walnut St., Columbia, on Saturday, Dec. 10. Participants may drop in from 10 a.m. to 4 p.m.

Attendees will create their own tree decorations using natural materials like pinecones and acorns. Materials like paint, glitter, and glue will also be supplied. Refreshments and seasonal music will be provided while participants work on their projects.

Registration is requested to help with planning. To preregister, visit http://www.susqnha.org/events. For details, contact Sophia Vayansky at svayansky@susqnha.org or 717-449-5607. A suggested donation per participant is requested to benefit the Columbia Crossing River Trails Center.