The Carbon Chamber of Economic Development Corporation will host a grand opening ceremony from 5:30 p.m. to 7 p.m. Thursday with a ribbon-cutting ceremony at 6 p.m. at the Cathedral Rock Gym, 226 S. First St., Lehighton.

There will be an open house, tours, light refreshments, free teaser climbs and networking. Admission is free.

Register for the event at www.carboncountychamber.org or by phone at 610-379-5000.