The Lisboa camping is the only camping inside Lisbon. It is very good with public transportation on door, swimming pool and many more, se information and prices in:
http://www.atl-turismolisboa.pt/guide/uk/camping_u Theme: CampgroundPhone: (+351) 21 762 31 00Directions: Parque Municipal de Campismo de MonsantoOther Contact: Fax: (+351) 21 762 31 06