Mount Gretna, Pennsylvania
Mount Gretna is a borough in Lebanon County, Pennsylvania, United States. It is part of the Lebanon, PA, Metropolitan statistical area. The population was 188 at the 2020 census. The borough was founded by the Pennsylvania Chautauqua Society, which was attracted by the area's natural landscape and beauty, by the 1890s.
Mount Gretna is a popular destination in the summer.