Thats ok then so we will all ride through sssi sites and other sensitive country areas and undo good work that has been done.Remember the countryside is not our playground it all belongs to someone and is by and large a working environment.Better to approach Landowners before hand and ask permission to ride stuff ,they don't all 12 bore you first you know.
Is a Stumpjupmer a bicycle rather like a Stumpjumper or is it the pram I found when I googled jupmer?