Hills and midges, and sheep shit.
The water table is about six inches below the surface, so it's ideal for combining defensive and watermanship exercises.
Many a later afternoon in Otterburn, you'll think that the sun (If it has even bothered to show up for work that day) has just had an eclipse. It is infact a horde of ravenous midges arising from their pits to gorge upon your tasty blood. You may think ahead and take a mossie net with you, but these buggers will find the one half inch hole in it and get you.