Survival training can help prepare you should the worst happen on an expedition. Photo: elitesurvivaltraining.com

Survival Wisdom's Bushcraft & Basics course teaches you many essential wilderness survival skills. Photo: survivalwisdom.com

Woodland Ways offer some of the UK's most popular survival training courses. Photo: woodlandways.com

Wilderness survival skills like fire lighting are an essential part of Elite Survival Training's courses. Photo: elitesurvivaltraining.com

Adventure 360 UK survival training offer courses that cover night navigation alongside other essential skills. Photo: Adventure360UK.com

Trueways Survival's instructors include John 'Lofty' Wiseman, author of the best-selling SAS survival guide. Photo: jungletraining.com

Ray Mears is one of the most recognisable names in survival training and his courses provide education and essential skills. Photo: Ray Mears Survival Courses

Building shelter is one of the essential bushcraft skills covered on many of Survival School's training courses. Photo: survivalschool.co.uk

Bear Grylls' Academy gives survival enthusiasts a chance to learn from the man himself. Photo: beargryllssurvivalacademy.com

Woodsmoke Bushcraft offer survival training expeditions to far-flung corners of the globe including Borneo, Namibia and Canada. Photo: woodsmokebushcraft.com

Roger Harrington, founder of Bison Bushcraft, sharpening a knife. Making your own is one of the survival skills Bison teach. Photo: bisonbushcraft.com