Editing Mount Aetna, Maryland (section)

==Geography==

According to the [[United States Census Bureau]], the CDP has a total area of {{convert|3.9|sqmi|km2}}, all land.

The community is situated at the western base of [[South Mountain (Maryland and Pennsylvania)|South Mountain]] at elevations between 500 and 700 feet; the landscape here is principally underlain by the Tomstown Dolomite, and the neighboring area is home to at least four known solutional caves, one of which—Mount Aetna Cave—was open briefly for commercial tours in the 1930s.<ref>Caves of Maryland; Franz/Slifer, 1971</ref> This region is drained by Mount Aetna Creek, which has at least three headwaters in the neighboring mountain, and is a tributary of Beaver Creek.<ref>USGS Myserville Topographic Quadrangle, 1994</ref>