www.comunidad.madrid/centros/centro-comarcal-humanidades-sierra-norte - 91 868 95 30
Price: 6 € general ticket, 4 € ticket with special discount.
Discounts: People over 65 years old, Carné Joven (people under 25 years old), large families, unemployed and groups over ten people.
Free entry for the companion of a person with reduced mobility.