MYSELF AND SOME FRIENDS OF MINE WERE CAMPING AT ROBIN HOODS STRIDE LAST SUMMER AND FOR SOME REASON DECIDED TO CAMP ON TOP. WE HAD ALL BEDDED DOWN FOR THE NIGHT AND NOTHING UNTOWARDS HAD HAPPENED WHEN FOR REASONS UNKNOWN I HAPPENED TO SIT UP IN THE EARLY HOURS OF THE MORNING AND LOOK TOWARDS THE LITTLE GREEN HILL WHICH IS BEHIND THE STRIDE.THERE I NOTICED WHAT AT FIRST APPEARED TO BE SOME LOCALISED FOG.AS I CONTINUED TO LOOK AT THIS PHENOMENA I REALISED THE FOG WAS COLLECTING AT THE SUMMIT OF THE HILL AND AT THIS POINT I STARTED TO FEEL COMPELLED TO GET OUT OF MY SLEEPING BAG AND GO OVER TO THE HILL.AS I WAS ABOUT TO DO JUST THIS MY FRIEND AWOKE AND NOTICING THAT I WAS AWAKE ASKED ME WHAT TIME IT WAS.I LOOKED AT MY WATCH AND IT WAS JUST BEFORE 4:30a.m AND WHEN I LOOKED BACK TOWARDS THE SOURCE OF MY INCREASING UNCOMFORT THE MIST HAD COMPLETELY DISSAPEARED AND I FELT STRANGELY RELEASED.I HAVE NO IDEA WHAT IT WAS I EXPERIENCED BUT I NEVER WANT TO FIND MYSELF THERE AFTER DARK AGAIN.I AM INTERESTED TO KNOW IF ANYONE ELSE HAS HAD A SIMULAR EXPERIENCE AND WHETHER SOMEBODY COULD ENLIGHTEN ME AS TO WHAT I SAW THAT NIGHT/MORNING.