Mount Gretna is a borough in Lebanon County, Pennsylvania, United States.

Mount Gretna is divided into seven different sections.

Mount Gretna's "Hideaway" restaurant and bar is a popular spot for lunch or dinner, and a favorite late-night gathering spot for locals.

Mustered into federal service 29 June 1916 at Mount Gretna as Headquarters, 7th Division for service in Punitive Expedition.

Mustered into federal service 26 September 1916 at Mount Gretna, Pennsylvania.

The Cornwall and Lebanon Railroad earlier had established a station and picnic ground at Mount Gretna.

A turntable, engine-house, water tank, runaround track, and storage tracks were near the junction with the Cornwall & Lebanon at Mount Gretna.

It then angles to the southwest, passing through the borough of Mount Gretna, before entering South Londonderry Township.

He was said to have disappeared into the "Conewaga Mountains," perhaps referring to Conewago Hill on the west side of Mount Gretna.

(See also Mount Gretna)