Photo of a signboard map of the Caffarella valley and Via Appia Antica, with an arrow at the Ninfeo di Egeria; 2011.
Source: rome-roma.net
This photograph of an on-site panel, dated 2011, maps the valley and the Appia Antica. An arrow indicates the Ninfeo di Egeria, with explanations in Italian. The details are as printed on the sheet, with labels in the original language.