Lehigh Gap Nature Center, Slatington, is hosting Jim Rowland, a semi-retired structural engineering consultant, who has trekked major trails throughout the world.

He will discuss his experience on the Appalachian National Scenic Trail with special emphasis on the Pennsylvania section 3 p.m. Oct. 28.

On Nov. 29, Jerry McAward, an American Canoe Association instructor, trainer, educator and past chairman of ACA's River Kayak Committee will discuss "Laughing and Learning on the Lehigh River" at 7:30 p.m.