The fourth annual trail run will feature the original 6.38-mile loop course starting and finishing at the Lehigh Gap Nature Center. The technical course features a variety of terrains from rails to trails, single track and open fields with beautiful views of the Lehigh River and the north face of the Blue Mountain.

It will be held Oct. 4, at the Lehigh Gap Nature Center, 8844 Paint Mill Road in Slatington.The 2-mile Scamper begins at 9 a.m. with the More or Less 10K trail run at 9:30 a.m.The entry fees are $25, $30 day of race, for the Scamper, and $30, $35 day of race, for the 10K.Register and check the course map at

www.lgnc10k.com.The purpose of the event is to create a greater awareness in the community of the extraordinary trail system that exists locally and does so in a way that is consistent with the mission of the nature center.Watch for information about the upcoming Skills USA 5K run/walk on Oct. 11.