TrigPoint Adventures is operated by Dorian Thomas a qualified Summer Mountain Leader offering; Mountain Training Courses, Duke of Edinburgh Support and Guided Walks throughout the UK.

With over 30 years experience within the UK and overseas I have built up a portfolio of hiking routes for all occasions and abilities.

I am first aid qualified (ITC Level 3), certified by DBS and fully insured for your peace of mind.

I am a member of the British Mountaineering Council, Mountain Training Association, a course provider for Mountain Training England and a Brecon Beacons Ambassador.

Whatever the event or occasion contact me for a no obligation discussion on how I can help you achieve your goals. I offer the following:


Dorian Thomas

“Dorian was an excellent instructor and I would be happy to recommend him to anyone.”

Adrian Meredith

“Great day out and very informative, pitched at just the right level for my needs. Looking forward to using and developing these new skills. Big Thanks to Dorian.”

Ceri Nicolas