Caerphilly County Borough Council’s Countryside and Landscape Service, in conjunction with Aneurin Bevan University Health Board, Lets Walk Cymru, Caerphilly Adventure Group, Caerphilly Ramblers, Islwyn Ramblers, Rhymney High School and other partners, are once again throwing down a SERIOUS challenge for walkers and runners of all abilities.

The start and finish of this years' challenge is Rhymney High School. Following on from the successful Forge 2016, the challenge continues in the stunning surrounds of the Upper Rhymney Valley with its challenging terrain and commanding views.

  • 1-5 mile route (led walk)* Entries on the day
  • 11 mile route (led walk)
  • 14 mile route (self-led challenge and led walk)
  • 22 mile route (self-led challenge and led walk).

Tickets for this event cost £10 and are available to purchase until the closing date on Sunday 24th of April. For under 18’s a further £2 reduction is applied to their tickets with the minimum age of 12 for any challenge over 5 miles.

Unlike the longer walks, there is no deadline for the 1-5 mile route which costs just £2 and can be paid on the day. There is no minimum age and all proceeds go to the mayors’ charity.

If you fancy a challenge and would like some more information regarding the routes (where they go) or how to book on, please visit

CAUTION: Taking part in this challenge will benefit your health, make you feel adventurous, take you through spectacular valleys’, woodland, farmland, hill tops and riverside…..  And you may even be treated to some fantastic views (weather permitting) across the county borough towards the Brecon Beacons, over Cardiff Bay, the Bristol Channel, Somerset and North Devon!