National Outdoor Centre. We offer training and assessment courses in rock climbing, hill walking, scrambling. mountaineering, kayaking, canoeing, mountain biking, first aid, remote working and safe working at height. At Plas y Brenin we like to think that we offer outdoor sports training that gives you the best opportunity to make the most of your skills and ambitions. Our staff are amongst the most experienced, committed and competent outdoor professionals you could ever hope to meet and it is their unique talents that make a visit to Plas y Brenin so special. Whether you want a residential course, an update on the weather and climbing conditions, a bar meal and a chat or a qualification that could help you in your work you will find it here at the National Outdoor Centre. Plas y Brenin is managed by the Mountain Training Trust (MTT). MTT is a registered charity, established by the British Mountaineering Council, Mountain Training UK and Mountain Training England, specifically to run the centre. Unlock the outdoors with Plas y Brenin.