Site of Community Importance Sintra/Cascais has 20 named peaks. The highest is Cruz Alta at 528 m. Other notable peaks include Pena, Monge and Peninha.
There are 20 named mountains in Site of Community Importance Sintra/Cascais. The highest and the most prominent mountain is Cruz Alta.

The highest peak in Site of Community Importance Sintra/Cascais is Cruz Alta, at 528 m.
Notable peaks in Site of Community Importance Sintra/Cascais include Cruz Alta, Pena, Monge, Peninha and Picotos.
