We’re proud to support Hackney Shed for the first JAM session of 2024 – taking place at London Fields on Thursday 1st February from 6pm.

Get stuck into 25 fresh new problems with 50p from every successful top supporting Hackney Shed.

Live DJ playing, new challenges, good vibes.

The JAM costs just a £3 donation for Stronghold members or £10 for non-members (£7 entry and £3 donation)

Skills training at Stronghold climbing centre
The Siege Bouldering League Tottenham Hale