Seamstress Slab Slate

The iconic Seamstress Slab in the Dinorwic quarries, with a climber on Seamstress.

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Marks service is professional, informative & fun. He has run many courses / sessions for my daughter & for the NWYCA. If you have specific issues re your climbing or reaching your potential Mark & SMG are the people you want. You will not be disappointed.

Richard Wilson
6/23/2017

I've been a client of Mark's on multiple occasions. He has decades of experience climbing and it shows. He doesn't just show you how to do things, he helps you to understand why and when you should do them. My climbing grades reached an all time high under Mark's instruction. Thats really all that needs to be said.

Jesse King
12/02/2017