Orrtanna Map
Orrtanna is a census-designated place (CDP) in Adams County, Pennsylvania, United States. The population was 169 at the 2000 census.
Orrtanna is located at 39°50?53?N 77°21?27?W / 39.84806°N 77.3575°W / 39.84806; -77.3575 (39.848021, -77.357446).
According to the United States Census Bureau, the CDP has a total area of 0.2 square miles (0.5 km²), all of it land.
Nearby cities include Gettysburg, Mont Alto, Bendersville, Sabillasville, Aspers.