June 24 - June 25 BMC Junior British Boulder Championships 2023 HarroWall Climbing Centre Unit 2a & 3a, Neptune Trading Estate, Neptune Road, Harrow, London
September 23 - September 24 “The Big Comp 2023” HarroWall Climbing Centre Unit 2a & 3a, Neptune Trading Estate, Neptune Road, Harrow, London
October 27 HarroWeen 2023 HarroWall Climbing Centre Unit 2a & 3a, Neptune Trading Estate, Neptune Road, Harrow, London