Colebrook, Pennsylvania

Colebrook Iron Master's House, also known as the Colebrook Mansion and Colebrook Estate, is a historic home located at South Londonderry Township, Lebanon County, Pennsylvania. It was built between about 1791 and 1796, and is a 2+1⁄2-story, 3-bay wide by 2-bay brownstone residence in a vernacular Georgian style. Also on the property are a contributing spring house, kitchen house, stable, privy, carriage shed, spring trough, and an 18th-century iron fence.It was added to the National Register of Historic Places in 2010.

Mount Wilson is an unincorporated community on the border of South Annville Township and South Londonderry Township in Lebanon County, Pennsylvania, United States. Mount Wilson is located along Pennsylvania Route 241.

Timber Hills is an unincorporated community and census-designated place (CDP) in Lebanon County, Pennsylvania, United States. The population was 360 at the 2010 census.

Lawn, previously known as Roseland, is an unincorporated community in South Londonderry Township in Lebanon County, Pennsylvania, United States. Lawn is located at the intersection of Pennsylvania Route 241 and Lawn Road.

South Londonderry Township is a township in Lebanon County, Pennsylvania, United States. It is part of the Lebanon, PA Metropolitan Statistical Area. The population was 8,763 at the 2020 census.

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. It features a nationally ranked juried art show (third weekend in August), jazz and chamber music concerts, lectures, book reviews, and an annual tour of historic homes and cottages (first Saturday in August). The Connewago Lake features a Victorian-era bathhouse with high-dive, floating docks and a sandy beach area. The community also has a roller rink, open-air playhouse, miniature golf course, several restaurants, playgrounds, and an award-winning ice cream parlor known as the Jigger Shop. Gretna Theatre, the independent professional non-profit theatre company performing at the Mount Gretna Playhouse, is one of the country's oldest summer stock theatres, having opened in 1927. The surrounding area, which includes seven distinct neighborhoods, has a year-round population estimated at 1,500 people. Summertime population increases to about 2,500.

Rapho Township is a township that is located in northwestern Lancaster County, Pennsylvania, United States. The population was 12,058 at the time of the 2020 census.

Upper Lawn is an unincorporated community in South Londonderry Township in Lebanon County, Pennsylvania, United States. Upper Lawn is located at the intersection of Pennsylvania Route 341, Lawn Road, and Gingrich Road.

Mount Gretna Heights is an unincorporated community and census-designated place (CDP) in Lebanon County, Pennsylvania, United States, adjacent to the borough of Mount Gretna. The population was 323 at the 2010 census.

Mastersonville is an unincorporated community located in Rapho Township in Lancaster County, Pennsylvania, United States. It was founded by Thomas Masterson in the early 1820s.