This is just a shot in the dark, but is anyone aware of any LARP groups that have an emphasis on bushcraft? By that I mean a fantasy-style live action game that embraces the use of low technology camping and trekking techniques.
Here in the US there's a huge community of historical re-enactors doing everything from the Revolutionary War era to early modern Nessmuk-style camping, not to mention the denizens of the Society for Creative Anachronism. In most cases they emphasize period bushcrafting skills and gear. That includes everything from flint-and-steel firestarting to camp crafting and fireside cooking.
There doesn't seem to be any overlap between those groups and fantasy LARP players. That seems odd considering how many fantasy epics (Lord of the Rings, Shannara, Wheel of Time, The Black Company, etc.) are all about long overland journeys in primitive conditions. The concept is so prevalent that the skilled fantasy woodsman has become it's own trope.
Sadly, my google-fu hasn't uncovered anything along those lines. I'd appreciate any help you might be able to provide.