Italy is noted for its sharp hills and upland areas.
As the range is built up almost entirely of limestone, upland areas have little or no surface water.
The upland area known as the Labyrinth is at the valley's west end.
To the east of the county are upland areas leading to the Pennines.
This is most likely in upland areas but also chalk streams.
Of course, isolation is something to which the rural working population, particularly in the upland areas, has long been accustomed.
These covered 36% of the region's land and 52% of the upland areas.
As a result these upland areas have very little surface water.
Some upland areas received, on average, over 25 days per year of snow falling.
Within the park they are found both on open upland areas and woodlands.