In reply to higherclimbingwales:
No idea why insurers are mentioned. It isn't actually an advert, it's front page article for the mag (not much happens round here!), also to quote: "We are pleased to announce that Llandovery WaW has been asked to contribute 2 walks to the Cambrian Mountains Festival in September.....etc."
So it appears to be a walking group first and foremost. At what stage a group of friends going for a walk becomes an organised group of walkers that require insurance, I have no idea.
I'm only a member of the LDWA and I think all their social walks are covered by the Association insurance. But those walks are advertised in the LDWA magazine, so open to any member to attend, but that is very different to what Pete P is proposing. If I were him I would just get on with it.