The Estadio "El Morro" Ramón Unzaga Asla, is a stadium located in Talcahuano, Chile and has a capacity of 7,200 spectators. It is the oldest stadium in Chile and has served as the home ground for the Naval de Talcahuano football club and Huachipato Femenino since 2022.

Is the oldest stadium in Chile and is located at Jordán Valdivieso Street #909 in Talcahauano. In their origins, around 1900, was a soccer field where spectators took advantage of the slope of the hill known as "Cerro El Morro" to watch soccer games. The stadium was built on a date coinciding with the founding of Naval de Talcahuano, in 1949.

Is known for hosting the official debut of the "chilena" football technique in 1914, the stadium has retained its original structure and is considered a heritage site.

The stadium was severely damaged by the 2010 earthquake and tsunami but was remodeled and reopened in 2012.

• Naval de Talcahuano
• List of football stadiums in Chile
• Bicycle kick or chilena
• Ramón Unzaga

36°43′21″S 73°06′26″W / 36.72250°S 73.10722°W / -36.72250; -73.10722