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We're re-developing the Mezz! This bouldering area will be closed until the end of the month. During this time there will be some disruption while we carry out works. This will be kept to a minimum and the majority of work will occur during our off-peak hours.


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About us

The Castle is run by climbers for climbers and as the premier indoor climbing centre in South East England, we receive more annual visits than any other climbing centre in the U.K. It is constructed within a magnificent Victorian building, formerly a water pumping station (and yes it really does look like a Castle!)

About us

  • Contacts & Opening Times

    Monday to Friday: 12pm - 10pm
    Saturday and Sunday: 9am - 7pm
    Bank Holidays: 10am - 10pm

  • How to find us

    The Castle
    Green Lanes
    London N4 2HA

  • The Castle Gallery

    Check out the photos and videos from our most recent competitions as well as shots from around the building and our fantastic garden.

  • Join our team

    Do you want to work at The Castle? Click here to find out how to join our team.

  • Terms and Conditions

    Download all our T&Cs here

  • Data Privacy

    Your privacy is important to us and we will only use data in accordance with current data protection law. Our privacy notice is available here, we also keep

  • The Castle History

    Read about the history of our building and our company.