These two topographic maps cover the island of Princípe, one of the two main islands of São Tomé and Príncipe. They were published in 1962 by the Junta de Investigações do Ultramar of Portugal.
The contour interval is 10 metres.
Santo António 
Pico Negro
Six maps that cover São Tomé at 1:25 000 can be downloaded from TROPICARTA (requires Chomikuj account).