Although you can smoothly drive to Cabo da Roca, for those who don't have an own or rental car, the alternative is bus. There is a regulare service managed by the company SCOTT that links Sintra with Cascais, with a stop in Cabo da Roca. There is a # 403 bus ride every 90 minutes. From Sintra to Cabo da Roca the trip is about 45 minutes, while from Cascais to Cabo da Roca the trip is about 25 minutes.
Bot, Sintra and Cascais, have a fast and cheap train connection with Lisbon.
You can buy a regular ticket or a daily ticket that allows you to use SCOTT buses also to travel in Sintra.( all buses goes from the train station -in front of it)
