The Tram runs between Sintra and Praia das Maças throughout the year, operating from Friday to Sunday for the general public. The number of units and frequency of services depend on the time of year.
Ticket prices are:
Adults - € 2
Seniors - € 1
Children up to six years are free
The October 2013 timetable can be viewed here:
http://www.cm-sintra.pt/Artigo.aspx?ID=3193
From Tuesday through Thursday it is possible to reserve a tram for group travel. Reservations are for 3 hour periods. The trip from Sintra to Praia das Maças takes about 45 minutes. The cost is € 200 per round trip. Each tram has a capacity of 32 seats (open car) and 24 seats or 17 seat (closed cars).
